Home / 358,819,801.20-538,481,644.20-154,494,514.80

Finding the Fourth Proportional to 358,819,801.20, 538,481,644.20 and 154,494,514.80

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Solution

The fourth proportional to 358,819,801.20, 538,481,644.20 and 154,494,514.80 is: 231,850,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,819,801.20 : 538,481,644.20 = 154,494,514.80 : x
  2. Step 2: Convert to fraction form
    358,819,801.20/538,481,644.20 = 154,494,514.80/x
  3. Step 3: Cross multiply
    358,819,801.20x = 538,481,644.20 × 154,494,514.80
  4. Step 4: Simplify right side
    358,819,801.20x = 83,192,460,349,385,248
  5. Step 5: Solve for x
    x = 83,192,460,349,385,248/358,819,801.20
  6. Step 6: Final answer
    x = 231,850,249.26

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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.