Home / 1,418,454,982,632.90-1,957,469,763,723.30-768,134,687,799.80

Finding the Fourth Proportional to 1,418,454,982,632.90, 1,957,469,763,723.30 and 768,134,687,799.80

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Solution

The fourth proportional to 1,418,454,982,632.90, 1,957,469,763,723.30 and 768,134,687,799.80 is: 1,060,026,891,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,454,982,632.90 : 1,957,469,763,723.30 = 768,134,687,799.80 : x
  2. Step 2: Convert to fraction form
    1,418,454,982,632.90/1,957,469,763,723.30 = 768,134,687,799.80/x
  3. Step 3: Cross multiply
    1,418,454,982,632.90x = 1,957,469,763,723.30 × 768,134,687,799.80
  4. Step 4: Simplify right side
    1,418,454,982,632.90x = 1,503,600,425,835,145,430,302,720
  5. Step 5: Solve for x
    x = 1,503,600,425,835,145,430,302,720/1,418,454,982,632.90
  6. Step 6: Final answer
    x = 1,060,026,891,402.79

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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.