Home / 12,489,067,425.28-17,238,772,303.68-8,033,731,795.84

Finding the Fourth Proportional to 12,489,067,425.28, 17,238,772,303.68 and 8,033,731,795.84

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Solution

The fourth proportional to 12,489,067,425.28, 17,238,772,303.68 and 8,033,731,795.84 is: 11,089,032,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489,067,425.28 : 17,238,772,303.68 = 8,033,731,795.84 : x
  2. Step 2: Convert to fraction form
    12,489,067,425.28/17,238,772,303.68 = 8,033,731,795.84/x
  3. Step 3: Cross multiply
    12,489,067,425.28x = 17,238,772,303.68 × 8,033,731,795.84
  4. Step 4: Simplify right side
    12,489,067,425.28x = 138,491,673,177,319,981,056
  5. Step 5: Solve for x
    x = 138,491,673,177,319,981,056/12,489,067,425.28
  6. Step 6: Final answer
    x = 11,089,032,388.20

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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.