Home / 498,507,262.29-747,092,494.64-387,976,400.53

Finding the Fourth Proportional to 498,507,262.29, 747,092,494.64 and 387,976,400.53

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Solution

The fourth proportional to 498,507,262.29, 747,092,494.64 and 387,976,400.53 is: 581,444,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,507,262.29 : 747,092,494.64 = 387,976,400.53 : x
  2. Step 2: Convert to fraction form
    498,507,262.29/747,092,494.64 = 387,976,400.53/x
  3. Step 3: Cross multiply
    498,507,262.29x = 747,092,494.64 × 387,976,400.53
  4. Step 4: Simplify right side
    498,507,262.29x = 289,854,256,932,507,712
  5. Step 5: Solve for x
    x = 289,854,256,932,507,712/498,507,262.29
  6. Step 6: Final answer
    x = 581,444,401.83

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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.