Home / 681,248,231.61-940,122,414.41-367,982,448.81

Finding the Fourth Proportional to 681,248,231.61, 940,122,414.41 and 367,982,448.81

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Solution

The fourth proportional to 681,248,231.61, 940,122,414.41 and 367,982,448.81 is: 507,815,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,248,231.61 : 940,122,414.41 = 367,982,448.81 : x
  2. Step 2: Convert to fraction form
    681,248,231.61/940,122,414.41 = 367,982,448.81/x
  3. Step 3: Cross multiply
    681,248,231.61x = 940,122,414.41 × 367,982,448.81
  4. Step 4: Simplify right side
    681,248,231.61x = 345,948,548,233,921,536
  5. Step 5: Solve for x
    x = 345,948,548,233,921,536/681,248,231.61
  6. Step 6: Final answer
    x = 507,815,700.92

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1.5x scale

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.