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Finding the Fourth Proportional to 7,769,270,800.80, 11,653,906,201.20 and 7,769,270,800.80

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Solution

The fourth proportional to 7,769,270,800.80, 11,653,906,201.20 and 7,769,270,800.80 is: 11,653,906,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,270,800.80 : 11,653,906,201.20 = 7,769,270,800.80 : x
  2. Step 2: Convert to fraction form
    7,769,270,800.80/11,653,906,201.20 = 7,769,270,800.80/x
  3. Step 3: Cross multiply
    7,769,270,800.80x = 11,653,906,201.20 × 7,769,270,800.80
  4. Step 4: Simplify right side
    7,769,270,800.80x = 90,542,353,164,245,221,376
  5. Step 5: Solve for x
    x = 90,542,353,164,245,221,376/7,769,270,800.80
  6. Step 6: Final answer
    x = 11,653,906,201.20

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Double scale
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Similar ratio
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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.