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Finding the Fourth Proportional to 1,787,751,011.55, 2,681,626,517.33 and 1,787,751,011.55

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Solution

The fourth proportional to 1,787,751,011.55, 2,681,626,517.33 and 1,787,751,011.55 is: 2,681,626,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,751,011.55 : 2,681,626,517.33 = 1,787,751,011.55 : x
  2. Step 2: Convert to fraction form
    1,787,751,011.55/2,681,626,517.33 = 1,787,751,011.55/x
  3. Step 3: Cross multiply
    1,787,751,011.55x = 2,681,626,517.33 × 1,787,751,011.55
  4. Step 4: Simplify right side
    1,787,751,011.55x = 4,794,080,518,947,072,000
  5. Step 5: Solve for x
    x = 4,794,080,518,947,072,000/1,787,751,011.55
  6. Step 6: Final answer
    x = 2,681,626,517.33

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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.