Home / 339,976,163.20-509,964,244.80-271,951,715.20

Finding the Fourth Proportional to 339,976,163.20, 509,964,244.80 and 271,951,715.20

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Solution

The fourth proportional to 339,976,163.20, 509,964,244.80 and 271,951,715.20 is: 407,927,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976,163.20 : 509,964,244.80 = 271,951,715.20 : x
  2. Step 2: Convert to fraction form
    339,976,163.20/509,964,244.80 = 271,951,715.20/x
  3. Step 3: Cross multiply
    339,976,163.20x = 509,964,244.80 × 271,951,715.20
  4. Step 4: Simplify right side
    339,976,163.20x = 138,685,651,064,032,672
  5. Step 5: Solve for x
    x = 138,685,651,064,032,672/339,976,163.20
  6. Step 6: Final answer
    x = 407,927,572.80

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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.