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Finding the Fourth Proportional to 326,668,316.10, 490,002,474.15 and 252,691,728.90

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Solution

The fourth proportional to 326,668,316.10, 490,002,474.15 and 252,691,728.90 is: 379,037,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,668,316.10 : 490,002,474.15 = 252,691,728.90 : x
  2. Step 2: Convert to fraction form
    326,668,316.10/490,002,474.15 = 252,691,728.90/x
  3. Step 3: Cross multiply
    326,668,316.10x = 490,002,474.15 × 252,691,728.90
  4. Step 4: Simplify right side
    326,668,316.10x = 123,819,572,358,241,056
  5. Step 5: Solve for x
    x = 123,819,572,358,241,056/326,668,316.10
  6. Step 6: Final answer
    x = 379,037,593.35

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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.