Home / 319,545,002.10-479,317,503.15-254,974,920.60

Finding the Fourth Proportional to 319,545,002.10, 479,317,503.15 and 254,974,920.60

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Solution

The fourth proportional to 319,545,002.10, 479,317,503.15 and 254,974,920.60 is: 382,462,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,545,002.10 : 479,317,503.15 = 254,974,920.60 : x
  2. Step 2: Convert to fraction form
    319,545,002.10/479,317,503.15 = 254,974,920.60/x
  3. Step 3: Cross multiply
    319,545,002.10x = 479,317,503.15 × 254,974,920.60
  4. Step 4: Simplify right side
    319,545,002.10x = 122,213,942,307,861,488
  5. Step 5: Solve for x
    x = 122,213,942,307,861,488/319,545,002.10
  6. Step 6: Final answer
    x = 382,462,380.90

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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.