Home / 279,937,010.20-419,905,515.30-273,965,042.20

Finding the Fourth Proportional to 279,937,010.20, 419,905,515.30 and 273,965,042.20

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Solution

The fourth proportional to 279,937,010.20, 419,905,515.30 and 273,965,042.20 is: 410,947,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,010.20 : 419,905,515.30 = 273,965,042.20 : x
  2. Step 2: Convert to fraction form
    279,937,010.20/419,905,515.30 = 273,965,042.20/x
  3. Step 3: Cross multiply
    279,937,010.20x = 419,905,515.30 × 273,965,042.20
  4. Step 4: Simplify right side
    279,937,010.20x = 115,039,432,219,177,248
  5. Step 5: Solve for x
    x = 115,039,432,219,177,248/279,937,010.20
  6. Step 6: Final answer
    x = 410,947,563.30

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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.