Home / 489,213,000.30-733,819,500.45-451,799,553.90

Finding the Fourth Proportional to 489,213,000.30, 733,819,500.45 and 451,799,553.90

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Solution

The fourth proportional to 489,213,000.30, 733,819,500.45 and 451,799,553.90 is: 677,699,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,213,000.30 : 733,819,500.45 = 451,799,553.90 : x
  2. Step 2: Convert to fraction form
    489,213,000.30/733,819,500.45 = 451,799,553.90/x
  3. Step 3: Cross multiply
    489,213,000.30x = 733,819,500.45 × 451,799,553.90
  4. Step 4: Simplify right side
    489,213,000.30x = 331,539,322,946,430,848
  5. Step 5: Solve for x
    x = 331,539,322,946,430,848/489,213,000.30
  6. Step 6: Final answer
    x = 677,699,330.85

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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.