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Finding the Fourth Proportional to 1,324,259,747.30, 1,986,389,620.95 and 1,324,259,747.30

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Solution

The fourth proportional to 1,324,259,747.30, 1,986,389,620.95 and 1,324,259,747.30 is: 1,986,389,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,259,747.30 : 1,986,389,620.95 = 1,324,259,747.30 : x
  2. Step 2: Convert to fraction form
    1,324,259,747.30/1,986,389,620.95 = 1,324,259,747.30/x
  3. Step 3: Cross multiply
    1,324,259,747.30x = 1,986,389,620.95 × 1,324,259,747.30
  4. Step 4: Simplify right side
    1,324,259,747.30x = 2,630,495,817,478,589,952
  5. Step 5: Solve for x
    x = 2,630,495,817,478,589,952/1,324,259,747.30
  6. Step 6: Final answer
    x = 1,986,389,620.95

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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.