Home / 732,275,781.60-1,098,413,672.40-387,096,031.20

Finding the Fourth Proportional to 732,275,781.60, 1,098,413,672.40 and 387,096,031.20

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Solution

The fourth proportional to 732,275,781.60, 1,098,413,672.40 and 387,096,031.20 is: 580,644,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,275,781.60 : 1,098,413,672.40 = 387,096,031.20 : x
  2. Step 2: Convert to fraction form
    732,275,781.60/1,098,413,672.40 = 387,096,031.20/x
  3. Step 3: Cross multiply
    732,275,781.60x = 1,098,413,672.40 × 387,096,031.20
  4. Step 4: Simplify right side
    732,275,781.60x = 425,191,573,201,857,024
  5. Step 5: Solve for x
    x = 425,191,573,201,857,024/732,275,781.60
  6. Step 6: Final answer
    x = 580,644,046.80

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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.