Home / 325,690,829.70-488,536,244.55-172,635,821.70

Finding the Fourth Proportional to 325,690,829.70, 488,536,244.55 and 172,635,821.70

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Solution

The fourth proportional to 325,690,829.70, 488,536,244.55 and 172,635,821.70 is: 258,953,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,690,829.70 : 488,536,244.55 = 172,635,821.70 : x
  2. Step 2: Convert to fraction form
    325,690,829.70/488,536,244.55 = 172,635,821.70/x
  3. Step 3: Cross multiply
    325,690,829.70x = 488,536,244.55 × 172,635,821.70
  4. Step 4: Simplify right side
    325,690,829.70x = 84,338,856,008,121,392
  5. Step 5: Solve for x
    x = 84,338,856,008,121,392/325,690,829.70
  6. Step 6: Final answer
    x = 258,953,732.55

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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.