Home / 355,968,002.20-533,952,003.30-279,526,811.80

Finding the Fourth Proportional to 355,968,002.20, 533,952,003.30 and 279,526,811.80

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Solution

The fourth proportional to 355,968,002.20, 533,952,003.30 and 279,526,811.80 is: 419,290,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,968,002.20 : 533,952,003.30 = 279,526,811.80 : x
  2. Step 2: Convert to fraction form
    355,968,002.20/533,952,003.30 = 279,526,811.80/x
  3. Step 3: Cross multiply
    355,968,002.20x = 533,952,003.30 × 279,526,811.80
  4. Step 4: Simplify right side
    355,968,002.20x = 149,253,901,136,672,096
  5. Step 5: Solve for x
    x = 149,253,901,136,672,096/355,968,002.20
  6. Step 6: Final answer
    x = 419,290,217.70

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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.