Home / 284,396,571.91-426,220,300.17-120,431,443.06

Finding the Fourth Proportional to 284,396,571.91, 426,220,300.17 and 120,431,443.06

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Solution

The fourth proportional to 284,396,571.91, 426,220,300.17 and 120,431,443.06 is: 180,488,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,396,571.91 : 426,220,300.17 = 120,431,443.06 : x
  2. Step 2: Convert to fraction form
    284,396,571.91/426,220,300.17 = 120,431,443.06/x
  3. Step 3: Cross multiply
    284,396,571.91x = 426,220,300.17 × 120,431,443.06
  4. Step 4: Simplify right side
    284,396,571.91x = 51,330,325,810,939,464
  5. Step 5: Solve for x
    x = 51,330,325,810,939,464/284,396,571.91
  6. Step 6: Final answer
    x = 180,488,553.24

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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.