Home / 1,785,147,469.90-2,677,721,204.85-1,591,277,793.10

Finding the Fourth Proportional to 1,785,147,469.90, 2,677,721,204.85 and 1,591,277,793.10

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Solution

The fourth proportional to 1,785,147,469.90, 2,677,721,204.85 and 1,591,277,793.10 is: 2,386,916,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,147,469.90 : 2,677,721,204.85 = 1,591,277,793.10 : x
  2. Step 2: Convert to fraction form
    1,785,147,469.90/2,677,721,204.85 = 1,591,277,793.10/x
  3. Step 3: Cross multiply
    1,785,147,469.90x = 2,677,721,204.85 × 1,591,277,793.10
  4. Step 4: Simplify right side
    1,785,147,469.90x = 4,260,998,289,390,780,416
  5. Step 5: Solve for x
    x = 4,260,998,289,390,780,416/1,785,147,469.90
  6. Step 6: Final answer
    x = 2,386,916,689.65

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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.