Home / 287,192,777.60-429,832,572.60-252,755,400.80

Finding the Fourth Proportional to 287,192,777.60, 429,832,572.60 and 252,755,400.80

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Solution

The fourth proportional to 287,192,777.60, 429,832,572.60 and 252,755,400.80 is: 378,291,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,192,777.60 : 429,832,572.60 = 252,755,400.80 : x
  2. Step 2: Convert to fraction form
    287,192,777.60/429,832,572.60 = 252,755,400.80/x
  3. Step 3: Cross multiply
    287,192,777.60x = 429,832,572.60 × 252,755,400.80
  4. Step 4: Simplify right side
    287,192,777.60x = 108,642,504,164,408,112
  5. Step 5: Solve for x
    x = 108,642,504,164,408,112/287,192,777.60
  6. Step 6: Final answer
    x = 378,291,212.87

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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.