Home / 373,456,002.20-559,806,089.70-220,023,080.60

Finding the Fourth Proportional to 373,456,002.20, 559,806,089.70 and 220,023,080.60

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Solution

The fourth proportional to 373,456,002.20, 559,806,089.70 and 220,023,080.60 is: 329,811,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,456,002.20 : 559,806,089.70 = 220,023,080.60 : x
  2. Step 2: Convert to fraction form
    373,456,002.20/559,806,089.70 = 220,023,080.60/x
  3. Step 3: Cross multiply
    373,456,002.20x = 559,806,089.70 × 220,023,080.60
  4. Step 4: Simplify right side
    373,456,002.20x = 123,170,260,394,433,936
  5. Step 5: Solve for x
    x = 123,170,260,394,433,936/373,456,002.20
  6. Step 6: Final answer
    x = 329,811,971.61

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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.