Finding the Fourth Proportional to 371,291,910.96, 512,386,915.36 and 204,028,215.12
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Solution
The fourth proportional to 371,291,910.96, 512,386,915.36 and 204,028,215.12 is: 281,561,177.89
Step by Step Solution
- Step 1: Write the proportion equation
371,291,910.96 : 512,386,915.36 = 204,028,215.12 : x - Step 2: Convert to fraction form
371,291,910.96/512,386,915.36 = 204,028,215.12/x - Step 3: Cross multiply
371,291,910.96x = 512,386,915.36 × 204,028,215.12 - Step 4: Simplify right side
371,291,910.96x = 104,541,387,791,743,312 - Step 5: Solve for x
x = 104,541,387,791,743,312/371,291,910.96 - Step 6: Final answer
x = 281,561,177.89
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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.