Home / 659,810,104.20-989,463,213.90-199,595,320.20

Finding the Fourth Proportional to 659,810,104.20, 989,463,213.90 and 199,595,320.20

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Solution

The fourth proportional to 659,810,104.20, 989,463,213.90 and 199,595,320.20 is: 299,316,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,810,104.20 : 989,463,213.90 = 199,595,320.20 : x
  2. Step 2: Convert to fraction form
    659,810,104.20/989,463,213.90 = 199,595,320.20/x
  3. Step 3: Cross multiply
    659,810,104.20x = 989,463,213.90 × 199,595,320.20
  4. Step 4: Simplify right side
    659,810,104.20x = 197,492,227,004,491,584
  5. Step 5: Solve for x
    x = 197,492,227,004,491,584/659,810,104.20
  6. Step 6: Final answer
    x = 299,316,766.67

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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.