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Finding the Fourth Proportional to 8,619,024,604.61, 12,928,536,906.92 and 8,619,024,604.61

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Solution

The fourth proportional to 8,619,024,604.61, 12,928,536,906.92 and 8,619,024,604.61 is: 12,928,536,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,024,604.61 : 12,928,536,906.92 = 8,619,024,604.61 : x
  2. Step 2: Convert to fraction form
    8,619,024,604.61/12,928,536,906.92 = 8,619,024,604.61/x
  3. Step 3: Cross multiply
    8,619,024,604.61x = 12,928,536,906.92 × 8,619,024,604.61
  4. Step 4: Simplify right side
    8,619,024,604.61x = 111,431,377,702,375,636,992
  5. Step 5: Solve for x
    x = 111,431,377,702,375,636,992/8,619,024,604.61
  6. Step 6: Final answer
    x = 12,928,536,906.92

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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.