Home / 664,012,217.40-996,167,625.30-203,971,615.80

Finding the Fourth Proportional to 664,012,217.40, 996,167,625.30 and 203,971,615.80

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Solution

The fourth proportional to 664,012,217.40, 996,167,625.30 and 203,971,615.80 is: 306,003,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,012,217.40 : 996,167,625.30 = 203,971,615.80 : x
  2. Step 2: Convert to fraction form
    664,012,217.40/996,167,625.30 = 203,971,615.80/x
  3. Step 3: Cross multiply
    664,012,217.40x = 996,167,625.30 × 203,971,615.80
  4. Step 4: Simplify right side
    664,012,217.40x = 203,189,920,140,089,952
  5. Step 5: Solve for x
    x = 203,189,920,140,089,952/664,012,217.40
  6. Step 6: Final answer
    x = 306,003,285.51

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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.