Home / 683,361,752.88-1,025,217,356.04-198,687,560.88

Finding the Fourth Proportional to 683,361,752.88, 1,025,217,356.04 and 198,687,560.88

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Solution

The fourth proportional to 683,361,752.88, 1,025,217,356.04 and 198,687,560.88 is: 298,082,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,361,752.88 : 1,025,217,356.04 = 198,687,560.88 : x
  2. Step 2: Convert to fraction form
    683,361,752.88/1,025,217,356.04 = 198,687,560.88/x
  3. Step 3: Cross multiply
    683,361,752.88x = 1,025,217,356.04 × 198,687,560.88
  4. Step 4: Simplify right side
    683,361,752.88x = 203,697,935,843,430,112
  5. Step 5: Solve for x
    x = 203,697,935,843,430,112/683,361,752.88
  6. Step 6: Final answer
    x = 298,082,143.15

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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.