Home / 986,489,798.41-1,479,555,889.83-396,256,255.59

Finding the Fourth Proportional to 986,489,798.41, 1,479,555,889.83 and 396,256,255.59

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Solution

The fourth proportional to 986,489,798.41, 1,479,555,889.83 and 396,256,255.59 is: 594,312,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,489,798.41 : 1,479,555,889.83 = 396,256,255.59 : x
  2. Step 2: Convert to fraction form
    986,489,798.41/1,479,555,889.83 = 396,256,255.59/x
  3. Step 3: Cross multiply
    986,489,798.41x = 1,479,555,889.83 × 396,256,255.59
  4. Step 4: Simplify right side
    986,489,798.41x = 586,283,276,840,166,272
  5. Step 5: Solve for x
    x = 586,283,276,840,166,272/986,489,798.41
  6. Step 6: Final answer
    x = 594,312,559.32

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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.