Home / 218,518,218.60-327,777,327.90-217,242,760.20

Finding the Fourth Proportional to 218,518,218.60, 327,777,327.90 and 217,242,760.20

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Solution

The fourth proportional to 218,518,218.60, 327,777,327.90 and 217,242,760.20 is: 325,864,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,518,218.60 : 327,777,327.90 = 217,242,760.20 : x
  2. Step 2: Convert to fraction form
    218,518,218.60/327,777,327.90 = 217,242,760.20/x
  3. Step 3: Cross multiply
    218,518,218.60x = 327,777,327.90 × 217,242,760.20
  4. Step 4: Simplify right side
    218,518,218.60x = 71,207,251,443,976,464
  5. Step 5: Solve for x
    x = 71,207,251,443,976,464/218,518,218.60
  6. Step 6: Final answer
    x = 325,864,140.30

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1.5x scale

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.