Home / 269,568,145.30-404,352,217.95-215,820,433.30

Finding the Fourth Proportional to 269,568,145.30, 404,352,217.95 and 215,820,433.30

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Solution

The fourth proportional to 269,568,145.30, 404,352,217.95 and 215,820,433.30 is: 323,730,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,145.30 : 404,352,217.95 = 215,820,433.30 : x
  2. Step 2: Convert to fraction form
    269,568,145.30/404,352,217.95 = 215,820,433.30/x
  3. Step 3: Cross multiply
    269,568,145.30x = 404,352,217.95 × 215,820,433.30
  4. Step 4: Simplify right side
    269,568,145.30x = 87,267,470,883,785,040
  5. Step 5: Solve for x
    x = 87,267,470,883,785,040/269,568,145.30
  6. Step 6: Final answer
    x = 323,730,649.95

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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.