Home / 542,098,951.29-748,040,237.97-319,067,331.84

Finding the Fourth Proportional to 542,098,951.29, 748,040,237.97 and 319,067,331.84

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Solution

The fourth proportional to 542,098,951.29, 748,040,237.97 and 319,067,331.84 is: 440,279,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,098,951.29 : 748,040,237.97 = 319,067,331.84 : x
  2. Step 2: Convert to fraction form
    542,098,951.29/748,040,237.97 = 319,067,331.84/x
  3. Step 3: Cross multiply
    542,098,951.29x = 748,040,237.97 × 319,067,331.84
  4. Step 4: Simplify right side
    542,098,951.29x = 238,675,202,838,046,560
  5. Step 5: Solve for x
    x = 238,675,202,838,046,560/542,098,951.29
  6. Step 6: Final answer
    x = 440,279,772.30

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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.