Home / 1,025,378,151.20-1,538,109,217.20-298,366,863.20

Finding the Fourth Proportional to 1,025,378,151.20, 1,538,109,217.20 and 298,366,863.20

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Solution

The fourth proportional to 1,025,378,151.20, 1,538,109,217.20 and 298,366,863.20 is: 447,562,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,378,151.20 : 1,538,109,217.20 = 298,366,863.20 : x
  2. Step 2: Convert to fraction form
    1,025,378,151.20/1,538,109,217.20 = 298,366,863.20/x
  3. Step 3: Cross multiply
    1,025,378,151.20x = 1,538,109,217.20 × 298,366,863.20
  4. Step 4: Simplify right side
    1,025,378,151.20x = 458,920,822,394,971,456
  5. Step 5: Solve for x
    x = 458,920,822,394,971,456/1,025,378,151.20
  6. Step 6: Final answer
    x = 447,562,513.26

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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.