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Finding the Fourth Proportional to 1,000,560,375.70, 1,380,773,449.40 and 554,552,533.44

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Solution

The fourth proportional to 1,000,560,375.70, 1,380,773,449.40 and 554,552,533.44 is: 765,282,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,560,375.70 : 1,380,773,449.40 = 554,552,533.44 : x
  2. Step 2: Convert to fraction form
    1,000,560,375.70/1,380,773,449.40 = 554,552,533.44/x
  3. Step 3: Cross multiply
    1,000,560,375.70x = 1,380,773,449.40 × 554,552,533.44
  4. Step 4: Simplify right side
    1,000,560,375.70x = 765,711,414,468,684,928
  5. Step 5: Solve for x
    x = 765,711,414,468,684,928/1,000,560,375.70
  6. Step 6: Final answer
    x = 765,282,568.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.