Home / 360,053,278.82-496,953,458.23-218,894,504.82

Finding the Fourth Proportional to 360,053,278.82, 496,953,458.23 and 218,894,504.82

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Solution

The fourth proportional to 360,053,278.82, 496,953,458.23 and 218,894,504.82 is: 302,123,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,053,278.82 : 496,953,458.23 = 218,894,504.82 : x
  2. Step 2: Convert to fraction form
    360,053,278.82/496,953,458.23 = 218,894,504.82/x
  3. Step 3: Cross multiply
    360,053,278.82x = 496,953,458.23 × 218,894,504.82
  4. Step 4: Simplify right side
    360,053,278.82x = 108,780,381,157,826,832
  5. Step 5: Solve for x
    x = 108,780,381,157,826,832/360,053,278.82
  6. Step 6: Final answer
    x = 302,123,012.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.