Home / 449,162,481.20-673,743,721.80-383,405,514.80

Finding the Fourth Proportional to 449,162,481.20, 673,743,721.80 and 383,405,514.80

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Solution

The fourth proportional to 449,162,481.20, 673,743,721.80 and 383,405,514.80 is: 575,108,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,162,481.20 : 673,743,721.80 = 383,405,514.80 : x
  2. Step 2: Convert to fraction form
    449,162,481.20/673,743,721.80 = 383,405,514.80/x
  3. Step 3: Cross multiply
    449,162,481.20x = 673,743,721.80 × 383,405,514.80
  4. Step 4: Simplify right side
    449,162,481.20x = 258,317,058,499,996,960
  5. Step 5: Solve for x
    x = 258,317,058,499,996,960/449,162,481.20
  6. Step 6: Final answer
    x = 575,108,272.20

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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.