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Finding the Fourth Proportional to 562,495,992.72, 843,763,124.24 and 267,238,732.72

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Solution

The fourth proportional to 562,495,992.72, 843,763,124.24 and 267,238,732.72 is: 400,867,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,495,992.72 : 843,763,124.24 = 267,238,732.72 : x
  2. Step 2: Convert to fraction form
    562,495,992.72/843,763,124.24 = 267,238,732.72/x
  3. Step 3: Cross multiply
    562,495,992.72x = 843,763,124.24 × 267,238,732.72
  4. Step 4: Simplify right side
    562,495,992.72x = 225,486,188,037,765,504
  5. Step 5: Solve for x
    x = 225,486,188,037,765,504/562,495,992.72
  6. Step 6: Final answer
    x = 400,867,190.09

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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.