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Finding the Fourth Proportional to 267,144,664.20, 400,716,996.30 and 240,360,037.80

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Solution

The fourth proportional to 267,144,664.20, 400,716,996.30 and 240,360,037.80 is: 360,540,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,144,664.20 : 400,716,996.30 = 240,360,037.80 : x
  2. Step 2: Convert to fraction form
    267,144,664.20/400,716,996.30 = 240,360,037.80/x
  3. Step 3: Cross multiply
    267,144,664.20x = 400,716,996.30 × 240,360,037.80
  4. Step 4: Simplify right side
    267,144,664.20x = 96,316,352,377,770,464
  5. Step 5: Solve for x
    x = 96,316,352,377,770,464/267,144,664.20
  6. Step 6: Final answer
    x = 360,540,056.70

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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.