Home / 542,098,954.30-748,040,242.10-319,067,334.84

Finding the Fourth Proportional to 542,098,954.30, 748,040,242.10 and 319,067,334.84

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Solution

The fourth proportional to 542,098,954.30, 748,040,242.10 and 319,067,334.84 is: 440,279,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,098,954.30 : 748,040,242.10 = 319,067,334.84 : x
  2. Step 2: Convert to fraction form
    542,098,954.30/748,040,242.10 = 319,067,334.84/x
  3. Step 3: Cross multiply
    542,098,954.30x = 748,040,242.10 × 319,067,334.84
  4. Step 4: Simplify right side
    542,098,954.30x = 238,675,206,399,915,360
  5. Step 5: Solve for x
    x = 238,675,206,399,915,360/542,098,954.30
  6. Step 6: Final answer
    x = 440,279,776.43

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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.