Finding the Fourth Proportional to 479,178,734.26, 718,847,522.16 and 168,205,663.75
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Solution
The fourth proportional to 479,178,734.26, 718,847,522.16 and 168,205,663.75 is: 252,336,374.62
Step by Step Solution
- Step 1: Write the proportion equation
479,178,734.26 : 718,847,522.16 = 168,205,663.75 : x - Step 2: Convert to fraction form
479,178,734.26/718,847,522.16 = 168,205,663.75/x - Step 3: Cross multiply
479,178,734.26x = 718,847,522.16 × 168,205,663.75 - Step 4: Simplify right side
479,178,734.26x = 120,914,224,599,965,632 - Step 5: Solve for x
x = 120,914,224,599,965,632/479,178,734.26 - Step 6: Final answer
x = 252,336,374.62
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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.