Home / 449,418,311.20-674,146,129.20-142,701,767.20

Finding the Fourth Proportional to 449,418,311.20, 674,146,129.20 and 142,701,767.20

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Solution

The fourth proportional to 449,418,311.20, 674,146,129.20 and 142,701,767.20 is: 214,058,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,418,311.20 : 674,146,129.20 = 142,701,767.20 : x
  2. Step 2: Convert to fraction form
    449,418,311.20/674,146,129.20 = 142,701,767.20/x
  3. Step 3: Cross multiply
    449,418,311.20x = 674,146,129.20 × 142,701,767.20
  4. Step 4: Simplify right side
    449,418,311.20x = 96,201,843,987,879,520
  5. Step 5: Solve for x
    x = 96,201,843,987,879,520/449,418,311.20
  6. Step 6: Final answer
    x = 214,058,576.59

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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.