Home / 299,448,028.80-449,172,043.20-255,610,051.20

Finding the Fourth Proportional to 299,448,028.80, 449,172,043.20 and 255,610,051.20

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Solution

The fourth proportional to 299,448,028.80, 449,172,043.20 and 255,610,051.20 is: 383,415,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,028.80 : 449,172,043.20 = 255,610,051.20 : x
  2. Step 2: Convert to fraction form
    299,448,028.80/449,172,043.20 = 255,610,051.20/x
  3. Step 3: Cross multiply
    299,448,028.80x = 449,172,043.20 × 255,610,051.20
  4. Step 4: Simplify right side
    299,448,028.80x = 114,812,888,959,960,608
  5. Step 5: Solve for x
    x = 114,812,888,959,960,608/299,448,028.80
  6. Step 6: Final answer
    x = 383,415,076.80

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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.