Home / 8,283,981,643.44-12,425,972,629.95-1,988,410,867.38

Finding the Fourth Proportional to 8,283,981,643.44, 12,425,972,629.95 and 1,988,410,867.38

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Solution

The fourth proportional to 8,283,981,643.44, 12,425,972,629.95 and 1,988,410,867.38 is: 2,982,616,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,981,643.44 : 12,425,972,629.95 = 1,988,410,867.38 : x
  2. Step 2: Convert to fraction form
    8,283,981,643.44/12,425,972,629.95 = 1,988,410,867.38/x
  3. Step 3: Cross multiply
    8,283,981,643.44x = 12,425,972,629.95 × 1,988,410,867.38
  4. Step 4: Simplify right side
    8,283,981,643.44x = 24,707,939,015,159,021,568
  5. Step 5: Solve for x
    x = 24,707,939,015,159,021,568/8,283,981,643.44
  6. Step 6: Final answer
    x = 2,982,616,340.62

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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.