Home / 339,976,105.20-509,964,157.80-271,951,657.20

Finding the Fourth Proportional to 339,976,105.20, 509,964,157.80 and 271,951,657.20

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Solution

The fourth proportional to 339,976,105.20, 509,964,157.80 and 271,951,657.20 is: 407,927,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976,105.20 : 509,964,157.80 = 271,951,657.20 : x
  2. Step 2: Convert to fraction form
    339,976,105.20/509,964,157.80 = 271,951,657.20/x
  3. Step 3: Cross multiply
    339,976,105.20x = 509,964,157.80 × 271,951,657.20
  4. Step 4: Simplify right side
    339,976,105.20x = 138,685,597,826,312,304
  5. Step 5: Solve for x
    x = 138,685,597,826,312,304/339,976,105.20
  6. Step 6: Final answer
    x = 407,927,485.80

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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.