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Finding the Fourth Proportional to 888,749,010.90, 1,241,187,515.10 and 888,749,010.90

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Solution

The fourth proportional to 888,749,010.90, 1,241,187,515.10 and 888,749,010.90 is: 1,241,187,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,749,010.90 : 1,241,187,515.10 = 888,749,010.90 : x
  2. Step 2: Convert to fraction form
    888,749,010.90/1,241,187,515.10 = 888,749,010.90/x
  3. Step 3: Cross multiply
    888,749,010.90x = 1,241,187,515.10 × 888,749,010.90
  4. Step 4: Simplify right side
    888,749,010.90x = 1,103,104,176,386,553,728
  5. Step 5: Solve for x
    x = 1,103,104,176,386,553,728/888,749,010.90
  6. Step 6: Final answer
    x = 1,241,187,515.10

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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.