Home / 1,988,329,887.79-2,982,801,287.34-677,925,484.58

Finding the Fourth Proportional to 1,988,329,887.79, 2,982,801,287.34 and 677,925,484.58

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Solution

The fourth proportional to 1,988,329,887.79, 2,982,801,287.34 and 677,925,484.58 is: 1,016,992,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,329,887.79 : 2,982,801,287.34 = 677,925,484.58 : x
  2. Step 2: Convert to fraction form
    1,988,329,887.79/2,982,801,287.34 = 677,925,484.58/x
  3. Step 3: Cross multiply
    1,988,329,887.79x = 2,982,801,287.34 × 677,925,484.58
  4. Step 4: Simplify right side
    1,988,329,887.79x = 2,022,117,008,134,383,360
  5. Step 5: Solve for x
    x = 2,022,117,008,134,383,360/1,988,329,887.79
  6. Step 6: Final answer
    x = 1,016,992,713.61

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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.