Finding the Fourth Proportional to 6,442,418,810.20, 8,890,398,610.40 and 3,729,801,007.62
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Solution
The fourth proportional to 6,442,418,810.20, 8,890,398,610.40 and 3,729,801,007.62 is: 5,147,044,715.99
Step by Step Solution
- Step 1: Write the proportion equation
6,442,418,810.20 : 8,890,398,610.40 = 3,729,801,007.62 : x - Step 2: Convert to fraction form
6,442,418,810.20/8,890,398,610.40 = 3,729,801,007.62/x - Step 3: Cross multiply
6,442,418,810.20x = 8,890,398,610.40 × 3,729,801,007.62 - Step 4: Simplify right side
6,442,418,810.20x = 33,159,417,695,213,367,296 - Step 5: Solve for x
x = 33,159,417,695,213,367,296/6,442,418,810.20 - Step 6: Final answer
x = 5,147,044,715.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.