Home / 299,382,812.20-449,074,218.30-169,940,405.80

Finding the Fourth Proportional to 299,382,812.20, 449,074,218.30 and 169,940,405.80

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Solution

The fourth proportional to 299,382,812.20, 449,074,218.30 and 169,940,405.80 is: 254,910,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,812.20 : 449,074,218.30 = 169,940,405.80 : x
  2. Step 2: Convert to fraction form
    299,382,812.20/449,074,218.30 = 169,940,405.80/x
  3. Step 3: Cross multiply
    299,382,812.20x = 449,074,218.30 × 169,940,405.80
  4. Step 4: Simplify right side
    299,382,812.20x = 76,315,854,892,219,792
  5. Step 5: Solve for x
    x = 76,315,854,892,219,792/299,382,812.20
  6. Step 6: Final answer
    x = 254,910,608.70

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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.