Home / 218,518,334.60-327,777,501.90-217,242,876.20

Finding the Fourth Proportional to 218,518,334.60, 327,777,501.90 and 217,242,876.20

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Solution

The fourth proportional to 218,518,334.60, 327,777,501.90 and 217,242,876.20 is: 325,864,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,518,334.60 : 327,777,501.90 = 217,242,876.20 : x
  2. Step 2: Convert to fraction form
    218,518,334.60/327,777,501.90 = 217,242,876.20/x
  3. Step 3: Cross multiply
    218,518,334.60x = 327,777,501.90 × 217,242,876.20
  4. Step 4: Simplify right side
    218,518,334.60x = 71,207,327,266,406,952
  5. Step 5: Solve for x
    x = 71,207,327,266,406,952/218,518,334.60
  6. Step 6: Final answer
    x = 325,864,314.30

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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.