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Finding the Fourth Proportional to 998,245,500.90, 1,497,368,251.35 and 998,245,500.90

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Solution

The fourth proportional to 998,245,500.90, 1,497,368,251.35 and 998,245,500.90 is: 1,497,368,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,245,500.90 : 1,497,368,251.35 = 998,245,500.90 : x
  2. Step 2: Convert to fraction form
    998,245,500.90/1,497,368,251.35 = 998,245,500.90/x
  3. Step 3: Cross multiply
    998,245,500.90x = 1,497,368,251.35 × 998,245,500.90
  4. Step 4: Simplify right side
    998,245,500.90x = 1,494,741,120,100,637,696
  5. Step 5: Solve for x
    x = 1,494,741,120,100,637,696/998,245,500.90
  6. Step 6: Final answer
    x = 1,497,368,251.35

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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.