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Finding the Fourth Proportional to 84,492,375,229.80, 126,738,562,844.70 and 84,492,375,229.80

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Solution

The fourth proportional to 84,492,375,229.80, 126,738,562,844.70 and 84,492,375,229.80 is: 126,738,562,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,492,375,229.80 : 126,738,562,844.70 = 84,492,375,229.80 : x
  2. Step 2: Convert to fraction form
    84,492,375,229.80/126,738,562,844.70 = 84,492,375,229.80/x
  3. Step 3: Cross multiply
    84,492,375,229.80x = 126,738,562,844.70 × 84,492,375,229.80
  4. Step 4: Simplify right side
    84,492,375,229.80x = 10,708,442,207,959,981,752,320
  5. Step 5: Solve for x
    x = 10,708,442,207,959,981,752,320/84,492,375,229.80
  6. Step 6: Final answer
    x = 126,738,562,844.70

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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.