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Finding the Fourth Proportional to 275,280,687,079.43, 412,921,030,619.13 and 275,280,687,079.43

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Solution

The fourth proportional to 275,280,687,079.43, 412,921,030,619.13 and 275,280,687,079.43 is: 412,921,030,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,687,079.43 : 412,921,030,619.13 = 275,280,687,079.43 : x
  2. Step 2: Convert to fraction form
    275,280,687,079.43/412,921,030,619.13 = 275,280,687,079.43/x
  3. Step 3: Cross multiply
    275,280,687,079.43x = 412,921,030,619.13 × 275,280,687,079.43
  4. Step 4: Simplify right side
    275,280,687,079.43x = 113,669,185,018,380,456,820,736
  5. Step 5: Solve for x
    x = 113,669,185,018,380,456,820,736/275,280,687,079.43
  6. Step 6: Final answer
    x = 412,921,030,619.13

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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.