Home / 603,614,809.20-905,422,213.80-172,793,305.20

Finding the Fourth Proportional to 603,614,809.20, 905,422,213.80 and 172,793,305.20

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Solution

The fourth proportional to 603,614,809.20, 905,422,213.80 and 172,793,305.20 is: 259,189,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,809.20 : 905,422,213.80 = 172,793,305.20 : x
  2. Step 2: Convert to fraction form
    603,614,809.20/905,422,213.80 = 172,793,305.20/x
  3. Step 3: Cross multiply
    603,614,809.20x = 905,422,213.80 × 172,793,305.20
  4. Step 4: Simplify right side
    603,614,809.20x = 156,450,896,924,003,040
  5. Step 5: Solve for x
    x = 156,450,896,924,003,040/603,614,809.20
  6. Step 6: Final answer
    x = 259,189,957.80

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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.