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Finding the Fourth Proportional to 531,955,179.96, 797,932,722.58 and 269,598,863.80

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Solution

The fourth proportional to 531,955,179.96, 797,932,722.58 and 269,598,863.80 is: 404,398,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,955,179.96 : 797,932,722.58 = 269,598,863.80 : x
  2. Step 2: Convert to fraction form
    531,955,179.96/797,932,722.58 = 269,598,863.80/x
  3. Step 3: Cross multiply
    531,955,179.96x = 797,932,722.58 × 269,598,863.80
  4. Step 4: Simplify right side
    531,955,179.96x = 215,121,755,396,408,640
  5. Step 5: Solve for x
    x = 215,121,755,396,408,640/531,955,179.96
  6. Step 6: Final answer
    x = 404,398,271.70

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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.