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Finding the Fourth Proportional to 962,361,128.18, 1,328,022,833 and 522,318,532.34

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Solution

The fourth proportional to 962,361,128.18, 1,328,022,833 and 522,318,532.34 is: 720,780,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,361,128.18 : 1,328,022,833 = 522,318,532.34 : x
  2. Step 2: Convert to fraction form
    962,361,128.18/1,328,022,833 = 522,318,532.34/x
  3. Step 3: Cross multiply
    962,361,128.18x = 1,328,022,833 × 522,318,532.34
  4. Step 4: Simplify right side
    962,361,128.18x = 693,650,937,046,568,832
  5. Step 5: Solve for x
    x = 693,650,937,046,568,832/962,361,128.18
  6. Step 6: Final answer
    x = 720,780,294.15

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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.