Home / 442,679,123.93-610,951,052.18-257,040,134.15

Finding the Fourth Proportional to 442,679,123.93, 610,951,052.18 and 257,040,134.15

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Solution

The fourth proportional to 442,679,123.93, 610,951,052.18 and 257,040,134.15 is: 354,746,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,679,123.93 : 610,951,052.18 = 257,040,134.15 : x
  2. Step 2: Convert to fraction form
    442,679,123.93/610,951,052.18 = 257,040,134.15/x
  3. Step 3: Cross multiply
    442,679,123.93x = 610,951,052.18 × 257,040,134.15
  4. Step 4: Simplify right side
    442,679,123.93x = 157,038,940,413,600,832
  5. Step 5: Solve for x
    x = 157,038,940,413,600,832/442,679,123.93
  6. Step 6: Final answer
    x = 354,746,659.43

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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.