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Finding the Fourth Proportional to 2,751,993,732.80, 3,863,675,137.60 and 2,751,993,732.80

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Solution

The fourth proportional to 2,751,993,732.80, 3,863,675,137.60 and 2,751,993,732.80 is: 3,863,675,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,993,732.80 : 3,863,675,137.60 = 2,751,993,732.80 : x
  2. Step 2: Convert to fraction form
    2,751,993,732.80/3,863,675,137.60 = 2,751,993,732.80/x
  3. Step 3: Cross multiply
    2,751,993,732.80x = 3,863,675,137.60 × 2,751,993,732.80
  4. Step 4: Simplify right side
    2,751,993,732.80x = 10,632,809,764,250,378,240
  5. Step 5: Solve for x
    x = 10,632,809,764,250,378,240/2,751,993,732.80
  6. Step 6: Final answer
    x = 3,863,675,137.60

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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.