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Finding the Fourth Proportional to 3,486,115,912.60, 5,229,173,868.90 and 3,486,115,912.60

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Solution

The fourth proportional to 3,486,115,912.60, 5,229,173,868.90 and 3,486,115,912.60 is: 5,229,173,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,115,912.60 : 5,229,173,868.90 = 3,486,115,912.60 : x
  2. Step 2: Convert to fraction form
    3,486,115,912.60/5,229,173,868.90 = 3,486,115,912.60/x
  3. Step 3: Cross multiply
    3,486,115,912.60x = 5,229,173,868.90 × 3,486,115,912.60
  4. Step 4: Simplify right side
    3,486,115,912.60x = 18,229,506,234,124,394,496
  5. Step 5: Solve for x
    x = 18,229,506,234,124,394,496/3,486,115,912.60
  6. Step 6: Final answer
    x = 5,229,173,868.90

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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.