Home / 659,850,118.20-989,523,234.90-199,635,334.20

Finding the Fourth Proportional to 659,850,118.20, 989,523,234.90 and 199,635,334.20

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Solution

The fourth proportional to 659,850,118.20, 989,523,234.90 and 199,635,334.20 is: 299,376,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,850,118.20 : 989,523,234.90 = 199,635,334.20 : x
  2. Step 2: Convert to fraction form
    659,850,118.20/989,523,234.90 = 199,635,334.20/x
  3. Step 3: Cross multiply
    659,850,118.20x = 989,523,234.90 × 199,635,334.20
  4. Step 4: Simplify right side
    659,850,118.20x = 197,543,801,697,926,592
  5. Step 5: Solve for x
    x = 197,543,801,697,926,592/659,850,118.20
  6. Step 6: Final answer
    x = 299,376,777.01

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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.