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Finding the Fourth Proportional to 3,754,516,630.80, 5,267,207,194.80 and 3,754,516,630.80

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Solution

The fourth proportional to 3,754,516,630.80, 5,267,207,194.80 and 3,754,516,630.80 is: 5,267,207,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,516,630.80 : 5,267,207,194.80 = 3,754,516,630.80 : x
  2. Step 2: Convert to fraction form
    3,754,516,630.80/5,267,207,194.80 = 3,754,516,630.80/x
  3. Step 3: Cross multiply
    3,754,516,630.80x = 5,267,207,194.80 × 3,754,516,630.80
  4. Step 4: Simplify right side
    3,754,516,630.80x = 19,775,817,010,746,015,744
  5. Step 5: Solve for x
    x = 19,775,817,010,746,015,744/3,754,516,630.80
  6. Step 6: Final answer
    x = 5,267,207,194.80

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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.