Home / 330,312,687.21-455,860,553.57-181,660,003.59

Finding the Fourth Proportional to 330,312,687.21, 455,860,553.57 and 181,660,003.59

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Solution

The fourth proportional to 330,312,687.21, 455,860,553.57 and 181,660,003.59 is: 250,706,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,312,687.21 : 455,860,553.57 = 181,660,003.59 : x
  2. Step 2: Convert to fraction form
    330,312,687.21/455,860,553.57 = 181,660,003.59/x
  3. Step 3: Cross multiply
    330,312,687.21x = 455,860,553.57 × 181,660,003.59
  4. Step 4: Simplify right side
    330,312,687.21x = 82,811,629,799,548,000
  5. Step 5: Solve for x
    x = 82,811,629,799,548,000/330,312,687.21
  6. Step 6: Final answer
    x = 250,706,778.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.