Home / 279,936,364.20-419,904,546.30-259,529,029.80

Finding the Fourth Proportional to 279,936,364.20, 419,904,546.30 and 259,529,029.80

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Solution

The fourth proportional to 279,936,364.20, 419,904,546.30 and 259,529,029.80 is: 389,293,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,364.20 : 419,904,546.30 = 259,529,029.80 : x
  2. Step 2: Convert to fraction form
    279,936,364.20/419,904,546.30 = 259,529,029.80/x
  3. Step 3: Cross multiply
    279,936,364.20x = 419,904,546.30 × 259,529,029.80
  4. Step 4: Simplify right side
    279,936,364.20x = 108,977,419,509,848,192
  5. Step 5: Solve for x
    x = 108,977,419,509,848,192/279,936,364.20
  6. Step 6: Final answer
    x = 389,293,544.70

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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.