Home / 487,379,255.76-731,092,505.40-159,825,792.24

Finding the Fourth Proportional to 487,379,255.76, 731,092,505.40 and 159,825,792.24

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Solution

The fourth proportional to 487,379,255.76, 731,092,505.40 and 159,825,792.24 is: 239,746,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,379,255.76 : 731,092,505.40 = 159,825,792.24 : x
  2. Step 2: Convert to fraction form
    487,379,255.76/731,092,505.40 = 159,825,792.24/x
  3. Step 3: Cross multiply
    487,379,255.76x = 731,092,505.40 × 159,825,792.24
  4. Step 4: Simplify right side
    487,379,255.76x = 116,847,438,876,281,488
  5. Step 5: Solve for x
    x = 116,847,438,876,281,488/487,379,255.76
  6. Step 6: Final answer
    x = 239,746,434.62

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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.