Home / 996,536,664.20-1,494,797,123.10-259,605,144.20

Finding the Fourth Proportional to 996,536,664.20, 1,494,797,123.10 and 259,605,144.20

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Solution

The fourth proportional to 996,536,664.20, 1,494,797,123.10 and 259,605,144.20 is: 389,405,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,536,664.20 : 1,494,797,123.10 = 259,605,144.20 : x
  2. Step 2: Convert to fraction form
    996,536,664.20/1,494,797,123.10 = 259,605,144.20/x
  3. Step 3: Cross multiply
    996,536,664.20x = 1,494,797,123.10 × 259,605,144.20
  4. Step 4: Simplify right side
    996,536,664.20x = 388,057,022,692,120,640
  5. Step 5: Solve for x
    x = 388,057,022,692,120,640/996,536,664.20
  6. Step 6: Final answer
    x = 389,405,665.27

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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.