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Finding the Fourth Proportional to 267,239,443.60, 374,645,404.40 and 267,239,443.60

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Solution

The fourth proportional to 267,239,443.60, 374,645,404.40 and 267,239,443.60 is: 374,645,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,239,443.60 : 374,645,404.40 = 267,239,443.60 : x
  2. Step 2: Convert to fraction form
    267,239,443.60/374,645,404.40 = 267,239,443.60/x
  3. Step 3: Cross multiply
    267,239,443.60x = 374,645,404.40 × 267,239,443.60
  4. Step 4: Simplify right side
    267,239,443.60x = 100,120,029,419,152,976
  5. Step 5: Solve for x
    x = 100,120,029,419,152,976/267,239,443.60
  6. Step 6: Final answer
    x = 374,645,404.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.