Home / 371,778,794,279.25-557,922,926,411.20-129,755,904,379.73

Finding the Fourth Proportional to 371,778,794,279.25, 557,922,926,411.20 and 129,755,904,379.73

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Solution

The fourth proportional to 371,778,794,279.25, 557,922,926,411.20 and 129,755,904,379.73 is: 194,722,762,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,778,794,279.25 : 557,922,926,411.20 = 129,755,904,379.73 : x
  2. Step 2: Convert to fraction form
    371,778,794,279.25/557,922,926,411.20 = 129,755,904,379.73/x
  3. Step 3: Cross multiply
    371,778,794,279.25x = 557,922,926,411.20 × 129,755,904,379.73
  4. Step 4: Simplify right side
    371,778,794,279.25x = 72,393,793,890,670,799,224,832
  5. Step 5: Solve for x
    x = 72,393,793,890,670,799,224,832/371,778,794,279.25
  6. Step 6: Final answer
    x = 194,722,762,579.88

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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.