Home / 279,115,501.20-418,673,251.80-187,282,496.40

Finding the Fourth Proportional to 279,115,501.20, 418,673,251.80 and 187,282,496.40

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Solution

The fourth proportional to 279,115,501.20, 418,673,251.80 and 187,282,496.40 is: 280,923,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,115,501.20 : 418,673,251.80 = 187,282,496.40 : x
  2. Step 2: Convert to fraction form
    279,115,501.20/418,673,251.80 = 187,282,496.40/x
  3. Step 3: Cross multiply
    279,115,501.20x = 418,673,251.80 × 187,282,496.40
  4. Step 4: Simplify right side
    279,115,501.20x = 78,410,171,773,009,792
  5. Step 5: Solve for x
    x = 78,410,171,773,009,792/279,115,501.20
  6. Step 6: Final answer
    x = 280,923,744.60

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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.