Home / 683,361,749.88-1,025,217,351.54-198,687,557.88

Finding the Fourth Proportional to 683,361,749.88, 1,025,217,351.54 and 198,687,557.88

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Solution

The fourth proportional to 683,361,749.88, 1,025,217,351.54 and 198,687,557.88 is: 298,082,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,361,749.88 : 1,025,217,351.54 = 198,687,557.88 : x
  2. Step 2: Convert to fraction form
    683,361,749.88/1,025,217,351.54 = 198,687,557.88/x
  3. Step 3: Cross multiply
    683,361,749.88x = 1,025,217,351.54 × 198,687,557.88
  4. Step 4: Simplify right side
    683,361,749.88x = 203,697,931,873,684,032
  5. Step 5: Solve for x
    x = 203,697,931,873,684,032/683,361,749.88
  6. Step 6: Final answer
    x = 298,082,138.65

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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.