Home / 279,364,376,067.44-419,046,563,628.16-67,128,508,565.36

Finding the Fourth Proportional to 279,364,376,067.44, 419,046,563,628.16 and 67,128,508,565.36

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Solution

The fourth proportional to 279,364,376,067.44, 419,046,563,628.16 and 67,128,508,565.36 is: 100,692,762,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,364,376,067.44 : 419,046,563,628.16 = 67,128,508,565.36 : x
  2. Step 2: Convert to fraction form
    279,364,376,067.44/419,046,563,628.16 = 67,128,508,565.36/x
  3. Step 3: Cross multiply
    279,364,376,067.44x = 419,046,563,628.16 × 67,128,508,565.36
  4. Step 4: Simplify right side
    279,364,376,067.44x = 28,129,970,835,797,611,380,736
  5. Step 5: Solve for x
    x = 28,129,970,835,797,611,380,736/279,364,376,067.44
  6. Step 6: Final answer
    x = 100,692,762,734.38

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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.