Home / 1,086,427,101.60-1,630,065,805.20-396,404,107.20

Finding the Fourth Proportional to 1,086,427,101.60, 1,630,065,805.20 and 396,404,107.20

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Solution

The fourth proportional to 1,086,427,101.60, 1,630,065,805.20 and 396,404,107.20 is: 594,761,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,427,101.60 : 1,630,065,805.20 = 396,404,107.20 : x
  2. Step 2: Convert to fraction form
    1,086,427,101.60/1,630,065,805.20 = 396,404,107.20/x
  3. Step 3: Cross multiply
    1,086,427,101.60x = 1,630,065,805.20 × 396,404,107.20
  4. Step 4: Simplify right side
    1,086,427,101.60x = 646,164,780,187,555,072
  5. Step 5: Solve for x
    x = 646,164,780,187,555,072/1,086,427,101.60
  6. Step 6: Final answer
    x = 594,761,286.09

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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.