Home / 395,211,223.62-545,639,392.24-254,327,219.52

Finding the Fourth Proportional to 395,211,223.62, 545,639,392.24 and 254,327,219.52

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Solution

The fourth proportional to 395,211,223.62, 545,639,392.24 and 254,327,219.52 is: 351,131,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,211,223.62 : 545,639,392.24 = 254,327,219.52 : x
  2. Step 2: Convert to fraction form
    395,211,223.62/545,639,392.24 = 254,327,219.52/x
  3. Step 3: Cross multiply
    395,211,223.62x = 545,639,392.24 × 254,327,219.52
  4. Step 4: Simplify right side
    395,211,223.62x = 138,770,949,488,981,872
  5. Step 5: Solve for x
    x = 138,770,949,488,981,872/395,211,223.62
  6. Step 6: Final answer
    x = 351,131,094.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.