Home / 18,287,603,998.80-27,431,405,998.20-5,867,190,099.60

Finding the Fourth Proportional to 18,287,603,998.80, 27,431,405,998.20 and 5,867,190,099.60

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Solution

The fourth proportional to 18,287,603,998.80, 27,431,405,998.20 and 5,867,190,099.60 is: 8,800,785,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,603,998.80 : 27,431,405,998.20 = 5,867,190,099.60 : x
  2. Step 2: Convert to fraction form
    18,287,603,998.80/27,431,405,998.20 = 5,867,190,099.60/x
  3. Step 3: Cross multiply
    18,287,603,998.80x = 27,431,405,998.20 × 5,867,190,099.60
  4. Step 4: Simplify right side
    18,287,603,998.80x = 160,945,273,690,747,109,376
  5. Step 5: Solve for x
    x = 160,945,273,690,747,109,376/18,287,603,998.80
  6. Step 6: Final answer
    x = 8,800,785,149.40

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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.