Home / 381,000,530.39-571,331,879.06-203,694,647.27

Finding the Fourth Proportional to 381,000,530.39, 571,331,879.06 and 203,694,647.27

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Solution

The fourth proportional to 381,000,530.39, 571,331,879.06 and 203,694,647.27 is: 305,451,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,000,530.39 : 571,331,879.06 = 203,694,647.27 : x
  2. Step 2: Convert to fraction form
    381,000,530.39/571,331,879.06 = 203,694,647.27/x
  3. Step 3: Cross multiply
    381,000,530.39x = 571,331,879.06 × 203,694,647.27
  4. Step 4: Simplify right side
    381,000,530.39x = 116,377,245,575,357,840
  5. Step 5: Solve for x
    x = 116,377,245,575,357,840/381,000,530.39
  6. Step 6: Final answer
    x = 305,451,662.91

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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.