Home / 986,489,799.41-1,479,555,891.33-396,256,256.59

Finding the Fourth Proportional to 986,489,799.41, 1,479,555,891.33 and 396,256,256.59

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Solution

The fourth proportional to 986,489,799.41, 1,479,555,891.33 and 396,256,256.59 is: 594,312,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,489,799.41 : 1,479,555,891.33 = 396,256,256.59 : x
  2. Step 2: Convert to fraction form
    986,489,799.41/1,479,555,891.33 = 396,256,256.59/x
  3. Step 3: Cross multiply
    986,489,799.41x = 1,479,555,891.33 × 396,256,256.59
  4. Step 4: Simplify right side
    986,489,799.41x = 586,283,278,914,106,624
  5. Step 5: Solve for x
    x = 586,283,278,914,106,624/986,489,799.41
  6. Step 6: Final answer
    x = 594,312,560.82

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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.