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Finding the Fourth Proportional to 8,557,359,629.20, 12,836,039,443.80 and 8,557,359,629.20

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Solution

The fourth proportional to 8,557,359,629.20, 12,836,039,443.80 and 8,557,359,629.20 is: 12,836,039,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,359,629.20 : 12,836,039,443.80 = 8,557,359,629.20 : x
  2. Step 2: Convert to fraction form
    8,557,359,629.20/12,836,039,443.80 = 8,557,359,629.20/x
  3. Step 3: Cross multiply
    8,557,359,629.20x = 12,836,039,443.80 × 8,557,359,629.20
  4. Step 4: Simplify right side
    8,557,359,629.20x = 109,842,605,735,192,936,448
  5. Step 5: Solve for x
    x = 109,842,605,735,192,936,448/8,557,359,629.20
  6. Step 6: Final answer
    x = 12,836,039,443.80

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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.