Finding the Fourth Proportional to 397,836,135.70, 596,754,203.55 and 204,125,891.20
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Solution
The fourth proportional to 397,836,135.70, 596,754,203.55 and 204,125,891.20 is: 306,188,836.80
Step by Step Solution
- Step 1: Write the proportion equation
397,836,135.70 : 596,754,203.55 = 204,125,891.20 : x - Step 2: Convert to fraction form
397,836,135.70/596,754,203.55 = 204,125,891.20/x - Step 3: Cross multiply
397,836,135.70x = 596,754,203.55 × 204,125,891.20 - Step 4: Simplify right side
397,836,135.70x = 121,812,983,626,989,936 - Step 5: Solve for x
x = 121,812,983,626,989,936/397,836,135.70 - Step 6: Final answer
x = 306,188,836.80
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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.