Finding the Fourth Proportional to 449,278,734.18, 673,990,517.16 and 138,386,205.56
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Solution
The fourth proportional to 449,278,734.18, 673,990,517.16 and 138,386,205.56 is: 207,601,613.78
Step by Step Solution
- Step 1: Write the proportion equation
449,278,734.18 : 673,990,517.16 = 138,386,205.56 : x - Step 2: Convert to fraction form
449,278,734.18/673,990,517.16 = 138,386,205.56/x - Step 3: Cross multiply
449,278,734.18x = 673,990,517.16 × 138,386,205.56 - Step 4: Simplify right side
449,278,734.18x = 93,270,990,253,194,464 - Step 5: Solve for x
x = 93,270,990,253,194,464/449,278,734.18 - Step 6: Final answer
x = 207,601,613.78
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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.