Home / 326,264,520.65-489,383,508.44-80,614,969.20

Finding the Fourth Proportional to 326,264,520.65, 489,383,508.44 and 80,614,969.20

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Solution

The fourth proportional to 326,264,520.65, 489,383,508.44 and 80,614,969.20 is: 120,919,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,264,520.65 : 489,383,508.44 = 80,614,969.20 : x
  2. Step 2: Convert to fraction form
    326,264,520.65/489,383,508.44 = 80,614,969.20/x
  3. Step 3: Cross multiply
    326,264,520.65x = 489,383,508.44 × 80,614,969.20
  4. Step 4: Simplify right side
    326,264,520.65x = 39,451,636,460,080,080
  5. Step 5: Solve for x
    x = 39,451,636,460,080,080/326,264,520.65
  6. Step 6: Final answer
    x = 120,919,174.36

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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.