Home / 498,507,149.64-747,092,325.65-387,976,287.87

Finding the Fourth Proportional to 498,507,149.64, 747,092,325.65 and 387,976,287.87

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Solution

The fourth proportional to 498,507,149.64, 747,092,325.65 and 387,976,287.87 is: 581,444,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,507,149.64 : 747,092,325.65 = 387,976,287.87 : x
  2. Step 2: Convert to fraction form
    498,507,149.64/747,092,325.65 = 387,976,287.87/x
  3. Step 3: Cross multiply
    498,507,149.64x = 747,092,325.65 × 387,976,287.87
  4. Step 4: Simplify right side
    498,507,149.64x = 289,854,107,201,852,160
  5. Step 5: Solve for x
    x = 289,854,107,201,852,160/498,507,149.64
  6. Step 6: Final answer
    x = 581,444,232.87

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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.