Home / 338,979,634.80-508,469,452.20-262,452,130.80

Finding the Fourth Proportional to 338,979,634.80, 508,469,452.20 and 262,452,130.80

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Solution

The fourth proportional to 338,979,634.80, 508,469,452.20 and 262,452,130.80 is: 393,678,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,979,634.80 : 508,469,452.20 = 262,452,130.80 : x
  2. Step 2: Convert to fraction form
    338,979,634.80/508,469,452.20 = 262,452,130.80/x
  3. Step 3: Cross multiply
    338,979,634.80x = 508,469,452.20 × 262,452,130.80
  4. Step 4: Simplify right side
    338,979,634.80x = 133,448,891,176,598,752
  5. Step 5: Solve for x
    x = 133,448,891,176,598,752/338,979,634.80
  6. Step 6: Final answer
    x = 393,678,196.20

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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.