$500.
If you increase something by 400% then you are making it 5 times larger.
So if $100 is increased by 400% this equals $100 times 5 = $500.
In terms of the easiest steps possible to understand the principle here, you could also work this out by:
*finding out what 100% of the value is.
*multiplying this by 4 (as we have 400%)
*adding this to the original amount (as we are increasing by 400%)
100% of $100 = $100
$100 * 4 = $400
$400 + $100 = $500
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30% of 400 dollars = 400 dollars * 30/100 = 120 dollars.
400 dollars increased by 300% results in 1,600 dollars.
400 percent increased
To find 1 percent of 400 billion dollars, you would first convert 1 percent to a decimal by dividing by 100, which gives you 0.01. Then, you would multiply 0.01 by 400 billion to find the answer. Therefore, 1 percent of 400 billion dollars is 4 billion dollars.
To calculate 20 percent of 2 billion dollars, you would first convert 20 percent to a decimal by dividing it by 100, resulting in 0.20. Then, you would multiply 0.20 by 2 billion, which equals 400 million dollars. Therefore, 20 percent of 2 billion dollars is 400 million dollars.