Home / 1,019,907,906.30-1,529,861,859.45-329,884,911.90

Finding the Fourth Proportional to 1,019,907,906.30, 1,529,861,859.45 and 329,884,911.90

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Solution

The fourth proportional to 1,019,907,906.30, 1,529,861,859.45 and 329,884,911.90 is: 494,827,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,907,906.30 : 1,529,861,859.45 = 329,884,911.90 : x
  2. Step 2: Convert to fraction form
    1,019,907,906.30/1,529,861,859.45 = 329,884,911.90/x
  3. Step 3: Cross multiply
    1,019,907,906.30x = 1,529,861,859.45 × 329,884,911.90
  4. Step 4: Simplify right side
    1,019,907,906.30x = 504,678,344,723,833,408
  5. Step 5: Solve for x
    x = 504,678,344,723,833,408/1,019,907,906.30
  6. Step 6: Final answer
    x = 494,827,367.85

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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.