Finding the Fourth Proportional to 479,690,145.26, 661,960,204.88 and 267,998,565.97
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Solution
The fourth proportional to 479,690,145.26, 661,960,204.88 and 267,998,565.97 is: 369,831,207.48
Step by Step Solution
- Step 1: Write the proportion equation
479,690,145.26 : 661,960,204.88 = 267,998,565.97 : x - Step 2: Convert to fraction form
479,690,145.26/661,960,204.88 = 267,998,565.97/x - Step 3: Cross multiply
479,690,145.26x = 661,960,204.88 × 267,998,565.97 - Step 4: Simplify right side
479,690,145.26x = 177,404,385,637,047,392 - Step 5: Solve for x
x = 177,404,385,637,047,392/479,690,145.26 - Step 6: Final answer
x = 369,831,207.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.