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Finding the Fourth Proportional to 966,003,926.20, 1,449,005,889.30 and 966,003,926.20

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Solution

The fourth proportional to 966,003,926.20, 1,449,005,889.30 and 966,003,926.20 is: 1,449,005,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,003,926.20 : 1,449,005,889.30 = 966,003,926.20 : x
  2. Step 2: Convert to fraction form
    966,003,926.20/1,449,005,889.30 = 966,003,926.20/x
  3. Step 3: Cross multiply
    966,003,926.20x = 1,449,005,889.30 × 966,003,926.20
  4. Step 4: Simplify right side
    966,003,926.20x = 1,399,745,378,150,722,560
  5. Step 5: Solve for x
    x = 1,399,745,378,150,722,560/966,003,926.20
  6. Step 6: Final answer
    x = 1,449,005,889.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.