Home / 327,551,402.90-491,327,104.35-155,364,518.90

Finding the Fourth Proportional to 327,551,402.90, 491,327,104.35 and 155,364,518.90

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Solution

The fourth proportional to 327,551,402.90, 491,327,104.35 and 155,364,518.90 is: 233,046,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,551,402.90 : 491,327,104.35 = 155,364,518.90 : x
  2. Step 2: Convert to fraction form
    327,551,402.90/491,327,104.35 = 155,364,518.90/x
  3. Step 3: Cross multiply
    327,551,402.90x = 491,327,104.35 × 155,364,518.90
  4. Step 4: Simplify right side
    327,551,402.90x = 76,334,799,189,867,856
  5. Step 5: Solve for x
    x = 76,334,799,189,867,856/327,551,402.90
  6. Step 6: Final answer
    x = 233,046,778.35

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Double scale
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Similar ratio
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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.