Finding the Fourth Proportional to 397,836,137.70, 596,754,206.55 and 204,125,893.20
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Solution
The fourth proportional to 397,836,137.70, 596,754,206.55 and 204,125,893.20 is: 306,188,839.80
Step by Step Solution
- Step 1: Write the proportion equation
397,836,137.70 : 596,754,206.55 = 204,125,893.20 : x - Step 2: Convert to fraction form
397,836,137.70/596,754,206.55 = 204,125,893.20/x - Step 3: Cross multiply
397,836,137.70x = 596,754,206.55 × 204,125,893.20 - Step 4: Simplify right side
397,836,137.70x = 121,812,985,432,876,016 - Step 5: Solve for x
x = 121,812,985,432,876,016/397,836,137.70 - Step 6: Final answer
x = 306,188,839.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.