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Finding the Fourth Proportional to 2,068,856,078.70, 2,903,654,451.30 and 2,068,856,078.70

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Solution

The fourth proportional to 2,068,856,078.70, 2,903,654,451.30 and 2,068,856,078.70 is: 2,903,654,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,856,078.70 : 2,903,654,451.30 = 2,068,856,078.70 : x
  2. Step 2: Convert to fraction form
    2,068,856,078.70/2,903,654,451.30 = 2,068,856,078.70/x
  3. Step 3: Cross multiply
    2,068,856,078.70x = 2,903,654,451.30 × 2,068,856,078.70
  4. Step 4: Simplify right side
    2,068,856,078.70x = 6,007,243,162,016,318,464
  5. Step 5: Solve for x
    x = 6,007,243,162,016,318,464/2,068,856,078.70
  6. Step 6: Final answer
    x = 2,903,654,451.30

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Double scale
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1.5x scale

Why These Related Problems?

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