Home / 279,936,405.35-419,904,608.03-260,804,529.35

Finding the Fourth Proportional to 279,936,405.35, 419,904,608.03 and 260,804,529.35

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Solution

The fourth proportional to 279,936,405.35, 419,904,608.03 and 260,804,529.35 is: 391,206,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,405.35 : 419,904,608.03 = 260,804,529.35 : x
  2. Step 2: Convert to fraction form
    279,936,405.35/419,904,608.03 = 260,804,529.35/x
  3. Step 3: Cross multiply
    279,936,405.35x = 419,904,608.03 × 260,804,529.35
  4. Step 4: Simplify right side
    279,936,405.35x = 109,513,023,669,160,368
  5. Step 5: Solve for x
    x = 109,513,023,669,160,368/279,936,405.35
  6. Step 6: Final answer
    x = 391,206,794.03

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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.