Finding the Fourth Proportional to 603,680,186.17, 905,711,684.54 and 215,494,684.09
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Solution
The fourth proportional to 603,680,186.17, 905,711,684.54 and 215,494,684.09 is: 323,310,351.75
Step by Step Solution
- Step 1: Write the proportion equation
603,680,186.17 : 905,711,684.54 = 215,494,684.09 : x - Step 2: Convert to fraction form
603,680,186.17/905,711,684.54 = 215,494,684.09/x - Step 3: Cross multiply
603,680,186.17x = 905,711,684.54 × 215,494,684.09 - Step 4: Simplify right side
603,680,186.17x = 195,176,053,335,491,552 - Step 5: Solve for x
x = 195,176,053,335,491,552/603,680,186.17 - Step 6: Final answer
x = 323,310,351.75
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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.