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Finding the Fourth Proportional to 8,957,958,046.20, 12,512,117,500.20 and 8,957,958,046.20

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Solution

The fourth proportional to 8,957,958,046.20, 12,512,117,500.20 and 8,957,958,046.20 is: 12,512,117,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957,958,046.20 : 12,512,117,500.20 = 8,957,958,046.20 : x
  2. Step 2: Convert to fraction form
    8,957,958,046.20/12,512,117,500.20 = 8,957,958,046.20/x
  3. Step 3: Cross multiply
    8,957,958,046.20x = 12,512,117,500.20 × 8,957,958,046.20
  4. Step 4: Simplify right side
    8,957,958,046.20x = 112,083,023,635,916,439,552
  5. Step 5: Solve for x
    x = 112,083,023,635,916,439,552/8,957,958,046.20
  6. Step 6: Final answer
    x = 12,512,117,500.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.