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Finding the Fourth Proportional to 2,765,167,711.90, 4,147,751,567.85 and 2,765,167,711.90

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Solution

The fourth proportional to 2,765,167,711.90, 4,147,751,567.85 and 2,765,167,711.90 is: 4,147,751,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,167,711.90 : 4,147,751,567.85 = 2,765,167,711.90 : x
  2. Step 2: Convert to fraction form
    2,765,167,711.90/4,147,751,567.85 = 2,765,167,711.90/x
  3. Step 3: Cross multiply
    2,765,167,711.90x = 4,147,751,567.85 × 2,765,167,711.90
  4. Step 4: Simplify right side
    2,765,167,711.90x = 11,469,228,712,401,422,336
  5. Step 5: Solve for x
    x = 11,469,228,712,401,422,336/2,765,167,711.90
  6. Step 6: Final answer
    x = 4,147,751,567.85

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1.5x scale

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.