Home / 379,146,469.60-568,719,704.40-149,039,077.60

Finding the Fourth Proportional to 379,146,469.60, 568,719,704.40 and 149,039,077.60

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Solution

The fourth proportional to 379,146,469.60, 568,719,704.40 and 149,039,077.60 is: 223,558,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,146,469.60 : 568,719,704.40 = 149,039,077.60 : x
  2. Step 2: Convert to fraction form
    379,146,469.60/568,719,704.40 = 149,039,077.60/x
  3. Step 3: Cross multiply
    379,146,469.60x = 568,719,704.40 × 149,039,077.60
  4. Step 4: Simplify right side
    379,146,469.60x = 84,761,460,156,720,656
  5. Step 5: Solve for x
    x = 84,761,460,156,720,656/379,146,469.60
  6. Step 6: Final answer
    x = 223,558,616.40

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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.