Home / 338,976,138.80-508,464,208.20-262,448,634.80

Finding the Fourth Proportional to 338,976,138.80, 508,464,208.20 and 262,448,634.80

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Solution

The fourth proportional to 338,976,138.80, 508,464,208.20 and 262,448,634.80 is: 393,672,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,976,138.80 : 508,464,208.20 = 262,448,634.80 : x
  2. Step 2: Convert to fraction form
    338,976,138.80/508,464,208.20 = 262,448,634.80/x
  3. Step 3: Cross multiply
    338,976,138.80x = 508,464,208.20 × 262,448,634.80
  4. Step 4: Simplify right side
    338,976,138.80x = 133,445,737,286,752,976
  5. Step 5: Solve for x
    x = 133,445,737,286,752,976/338,976,138.80
  6. Step 6: Final answer
    x = 393,672,952.20

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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.