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Finding the Fourth Proportional to 2,751,993,744.80, 3,863,675,154.40 and 2,751,993,744.80

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Solution

The fourth proportional to 2,751,993,744.80, 3,863,675,154.40 and 2,751,993,744.80 is: 3,863,675,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,993,744.80 : 3,863,675,154.40 = 2,751,993,744.80 : x
  2. Step 2: Convert to fraction form
    2,751,993,744.80/3,863,675,154.40 = 2,751,993,744.80/x
  3. Step 3: Cross multiply
    2,751,993,744.80x = 3,863,675,154.40 × 2,751,993,744.80
  4. Step 4: Simplify right side
    2,751,993,744.80x = 10,632,809,856,847,974,400
  5. Step 5: Solve for x
    x = 10,632,809,856,847,974,400/2,751,993,744.80
  6. Step 6: Final answer
    x = 3,863,675,154.40

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Double scale
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1.5x scale

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.