Home / 614,304,023.40-921,456,035.10-396,625,789.80

Finding the Fourth Proportional to 614,304,023.40, 921,456,035.10 and 396,625,789.80

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Solution

The fourth proportional to 614,304,023.40, 921,456,035.10 and 396,625,789.80 is: 594,938,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,304,023.40 : 921,456,035.10 = 396,625,789.80 : x
  2. Step 2: Convert to fraction form
    614,304,023.40/921,456,035.10 = 396,625,789.80/x
  3. Step 3: Cross multiply
    614,304,023.40x = 921,456,035.10 × 396,625,789.80
  4. Step 4: Simplify right side
    614,304,023.40x = 365,473,227,687,514,048
  5. Step 5: Solve for x
    x = 365,473,227,687,514,048/614,304,023.40
  6. Step 6: Final answer
    x = 594,938,684.70

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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.