Home / 498,507,148.64-747,092,324.15-387,976,286.87

Finding the Fourth Proportional to 498,507,148.64, 747,092,324.15 and 387,976,286.87

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Solution

The fourth proportional to 498,507,148.64, 747,092,324.15 and 387,976,286.87 is: 581,444,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,507,148.64 : 747,092,324.15 = 387,976,286.87 : x
  2. Step 2: Convert to fraction form
    498,507,148.64/747,092,324.15 = 387,976,286.87/x
  3. Step 3: Cross multiply
    498,507,148.64x = 747,092,324.15 × 387,976,286.87
  4. Step 4: Simplify right side
    498,507,148.64x = 289,854,105,872,795,392
  5. Step 5: Solve for x
    x = 289,854,105,872,795,392/498,507,148.64
  6. Step 6: Final answer
    x = 581,444,231.37

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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.