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Finding the Fourth Proportional to 1,340,910,843.40, 2,011,366,265.10 and 1,340,910,843.40

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Solution

The fourth proportional to 1,340,910,843.40, 2,011,366,265.10 and 1,340,910,843.40 is: 2,011,366,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,910,843.40 : 2,011,366,265.10 = 1,340,910,843.40 : x
  2. Step 2: Convert to fraction form
    1,340,910,843.40/2,011,366,265.10 = 1,340,910,843.40/x
  3. Step 3: Cross multiply
    1,340,910,843.40x = 2,011,366,265.10 × 1,340,910,843.40
  4. Step 4: Simplify right side
    1,340,910,843.40x = 2,697,062,834,921,548,800
  5. Step 5: Solve for x
    x = 2,697,062,834,921,548,800/1,340,910,843.40
  6. Step 6: Final answer
    x = 2,011,366,265.10

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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.