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Finding the Fourth Proportional to 2,157,967,793.70, 3,236,951,690.55 and 2,157,967,793.70

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Solution

The fourth proportional to 2,157,967,793.70, 3,236,951,690.55 and 2,157,967,793.70 is: 3,236,951,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,967,793.70 : 3,236,951,690.55 = 2,157,967,793.70 : x
  2. Step 2: Convert to fraction form
    2,157,967,793.70/3,236,951,690.55 = 2,157,967,793.70/x
  3. Step 3: Cross multiply
    2,157,967,793.70x = 3,236,951,690.55 × 2,157,967,793.70
  4. Step 4: Simplify right side
    2,157,967,793.70x = 6,985,237,497,969,668,096
  5. Step 5: Solve for x
    x = 6,985,237,497,969,668,096/2,157,967,793.70
  6. Step 6: Final answer
    x = 3,236,951,690.55

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Double scale
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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.