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Finding the Fourth Proportional to 1,062,882,938.20, 1,484,592,375.80 and 1,062,882,938.20

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Solution

The fourth proportional to 1,062,882,938.20, 1,484,592,375.80 and 1,062,882,938.20 is: 1,484,592,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,882,938.20 : 1,484,592,375.80 = 1,062,882,938.20 : x
  2. Step 2: Convert to fraction form
    1,062,882,938.20/1,484,592,375.80 = 1,062,882,938.20/x
  3. Step 3: Cross multiply
    1,062,882,938.20x = 1,484,592,375.80 × 1,062,882,938.20
  4. Step 4: Simplify right side
    1,062,882,938.20x = 1,577,947,906,419,622,656
  5. Step 5: Solve for x
    x = 1,577,947,906,419,622,656/1,062,882,938.20
  6. Step 6: Final answer
    x = 1,484,592,375.80

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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.