Home / 299,382,078.30-449,073,117.45-255,544,100.70

Finding the Fourth Proportional to 299,382,078.30, 449,073,117.45 and 255,544,100.70

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Solution

The fourth proportional to 299,382,078.30, 449,073,117.45 and 255,544,100.70 is: 383,316,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,078.30 : 449,073,117.45 = 255,544,100.70 : x
  2. Step 2: Convert to fraction form
    299,382,078.30/449,073,117.45 = 255,544,100.70/x
  3. Step 3: Cross multiply
    299,382,078.30x = 449,073,117.45 × 255,544,100.70
  4. Step 4: Simplify right side
    299,382,078.30x = 114,757,985,947,305,712
  5. Step 5: Solve for x
    x = 114,757,985,947,305,712/299,382,078.30
  6. Step 6: Final answer
    x = 383,316,151.05

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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.