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Finding the Fourth Proportional to 7,661,316,002.60, 11,491,974,003.90 and 7,661,316,002.60

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Solution

The fourth proportional to 7,661,316,002.60, 11,491,974,003.90 and 7,661,316,002.60 is: 11,491,974,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,316,002.60 : 11,491,974,003.90 = 7,661,316,002.60 : x
  2. Step 2: Convert to fraction form
    7,661,316,002.60/11,491,974,003.90 = 7,661,316,002.60/x
  3. Step 3: Cross multiply
    7,661,316,002.60x = 11,491,974,003.90 × 7,661,316,002.60
  4. Step 4: Simplify right side
    7,661,316,002.60x = 88,043,644,337,542,266,880
  5. Step 5: Solve for x
    x = 88,043,644,337,542,266,880/7,661,316,002.60
  6. Step 6: Final answer
    x = 11,491,974,003.90

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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.