Home / 306,002,801.70-459,004,202.55-279,218,175.30

Finding the Fourth Proportional to 306,002,801.70, 459,004,202.55 and 279,218,175.30

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Solution

The fourth proportional to 306,002,801.70, 459,004,202.55 and 279,218,175.30 is: 418,827,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,002,801.70 : 459,004,202.55 = 279,218,175.30 : x
  2. Step 2: Convert to fraction form
    306,002,801.70/459,004,202.55 = 279,218,175.30/x
  3. Step 3: Cross multiply
    306,002,801.70x = 459,004,202.55 × 279,218,175.30
  4. Step 4: Simplify right side
    306,002,801.70x = 128,162,315,891,042,608
  5. Step 5: Solve for x
    x = 128,162,315,891,042,608/306,002,801.70
  6. Step 6: Final answer
    x = 418,827,262.95

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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.