Home / 499,884,791.92-749,876,469.36-172,317,180.76

Finding the Fourth Proportional to 499,884,791.92, 749,876,469.36 and 172,317,180.76

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Solution

The fourth proportional to 499,884,791.92, 749,876,469.36 and 172,317,180.76 is: 258,492,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,884,791.92 : 749,876,469.36 = 172,317,180.76 : x
  2. Step 2: Convert to fraction form
    499,884,791.92/749,876,469.36 = 172,317,180.76/x
  3. Step 3: Cross multiply
    499,884,791.92x = 749,876,469.36 × 172,317,180.76
  4. Step 4: Simplify right side
    499,884,791.92x = 129,216,599,118,377,712
  5. Step 5: Solve for x
    x = 129,216,599,118,377,712/499,884,791.92
  6. Step 6: Final answer
    x = 258,492,759.15

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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.