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Finding the Fourth Proportional to 797,671,138.60, 1,100,969,835.78 and 467,752,565.80

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Solution

The fourth proportional to 797,671,138.60, 1,100,969,835.78 and 467,752,565.80 is: 645,606,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,671,138.60 : 1,100,969,835.78 = 467,752,565.80 : x
  2. Step 2: Convert to fraction form
    797,671,138.60/1,100,969,835.78 = 467,752,565.80/x
  3. Step 3: Cross multiply
    797,671,138.60x = 1,100,969,835.78 × 467,752,565.80
  4. Step 4: Simplify right side
    797,671,138.60x = 514,981,465,554,499,648
  5. Step 5: Solve for x
    x = 514,981,465,554,499,648/797,671,138.60
  6. Step 6: Final answer
    x = 645,606,241.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.