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Finding the Fourth Proportional to 299,448,019.20, 449,172,028.80 and 295,416,940.80

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Solution

The fourth proportional to 299,448,019.20, 449,172,028.80 and 295,416,940.80 is: 443,125,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,019.20 : 449,172,028.80 = 295,416,940.80 : x
  2. Step 2: Convert to fraction form
    299,448,019.20/449,172,028.80 = 295,416,940.80/x
  3. Step 3: Cross multiply
    299,448,019.20x = 449,172,028.80 × 295,416,940.80
  4. Step 4: Simplify right side
    299,448,019.20x = 132,693,026,641,025,504
  5. Step 5: Solve for x
    x = 132,693,026,641,025,504/299,448,019.20
  6. Step 6: Final answer
    x = 443,125,411.20

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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.