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Finding the Fourth Proportional to 713,027,115.30, 998,918,205.90 and 713,027,115.30

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Solution

The fourth proportional to 713,027,115.30, 998,918,205.90 and 713,027,115.30 is: 998,918,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,027,115.30 : 998,918,205.90 = 713,027,115.30 : x
  2. Step 2: Convert to fraction form
    713,027,115.30/998,918,205.90 = 713,027,115.30/x
  3. Step 3: Cross multiply
    713,027,115.30x = 998,918,205.90 × 713,027,115.30
  4. Step 4: Simplify right side
    713,027,115.30x = 712,255,766,773,528,320
  5. Step 5: Solve for x
    x = 712,255,766,773,528,320/713,027,115.30
  6. Step 6: Final answer
    x = 998,918,205.90

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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.