Home / 489,940,174.87-676,115,402.25-266,921,162.17

Finding the Fourth Proportional to 489,940,174.87, 676,115,402.25 and 266,921,162.17

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Solution

The fourth proportional to 489,940,174.87, 676,115,402.25 and 266,921,162.17 is: 368,350,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,940,174.87 : 676,115,402.25 = 266,921,162.17 : x
  2. Step 2: Convert to fraction form
    489,940,174.87/676,115,402.25 = 266,921,162.17/x
  3. Step 3: Cross multiply
    489,940,174.87x = 676,115,402.25 × 266,921,162.17
  4. Step 4: Simplify right side
    489,940,174.87x = 180,469,508,929,607,040
  5. Step 5: Solve for x
    x = 180,469,508,929,607,040/489,940,174.87
  6. Step 6: Final answer
    x = 368,350,092.90

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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.