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Finding the Fourth Proportional to 8,149,151,140.20, 12,223,726,710.30 and 8,149,151,140.20

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Solution

The fourth proportional to 8,149,151,140.20, 12,223,726,710.30 and 8,149,151,140.20 is: 12,223,726,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,151,140.20 : 12,223,726,710.30 = 8,149,151,140.20 : x
  2. Step 2: Convert to fraction form
    8,149,151,140.20/12,223,726,710.30 = 8,149,151,140.20/x
  3. Step 3: Cross multiply
    8,149,151,140.20x = 12,223,726,710.30 × 8,149,151,140.20
  4. Step 4: Simplify right side
    8,149,151,140.20x = 99,612,996,458,734,436,352
  5. Step 5: Solve for x
    x = 99,612,996,458,734,436,352/8,149,151,140.20
  6. Step 6: Final answer
    x = 12,223,726,710.30

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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.