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Finding the Fourth Proportional to 156,491,679,785.70, 234,737,519,678.55 and 156,491,679,785.70

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Solution

The fourth proportional to 156,491,679,785.70, 234,737,519,678.55 and 156,491,679,785.70 is: 234,737,519,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,491,679,785.70 : 234,737,519,678.55 = 156,491,679,785.70 : x
  2. Step 2: Convert to fraction form
    156,491,679,785.70/234,737,519,678.55 = 156,491,679,785.70/x
  3. Step 3: Cross multiply
    156,491,679,785.70x = 234,737,519,678.55 × 156,491,679,785.70
  4. Step 4: Simplify right side
    156,491,679,785.70x = 36,734,468,763,225,098,813,440
  5. Step 5: Solve for x
    x = 36,734,468,763,225,098,813,440/156,491,679,785.70
  6. Step 6: Final answer
    x = 234,737,519,678.55

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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.