Home / 609,015,125.66-913,719,425.19-281,705,346.90

Finding the Fourth Proportional to 609,015,125.66, 913,719,425.19 and 281,705,346.90

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Solution

The fourth proportional to 609,015,125.66, 913,719,425.19 and 281,705,346.90 is: 422,649,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015,125.66 : 913,719,425.19 = 281,705,346.90 : x
  2. Step 2: Convert to fraction form
    609,015,125.66/913,719,425.19 = 281,705,346.90/x
  3. Step 3: Cross multiply
    609,015,125.66x = 913,719,425.19 × 281,705,346.90
  4. Step 4: Simplify right side
    609,015,125.66x = 257,399,647,644,635,520
  5. Step 5: Solve for x
    x = 257,399,647,644,635,520/609,015,125.66
  6. Step 6: Final answer
    x = 422,649,022.66

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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.