Home / 420,473,404.43-580,235,736.78-241,843,711.38

Finding the Fourth Proportional to 420,473,404.43, 580,235,736.78 and 241,843,711.38

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Solution

The fourth proportional to 420,473,404.43, 580,235,736.78 and 241,843,711.38 is: 333,734,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,473,404.43 : 580,235,736.78 = 241,843,711.38 : x
  2. Step 2: Convert to fraction form
    420,473,404.43/580,235,736.78 = 241,843,711.38/x
  3. Step 3: Cross multiply
    420,473,404.43x = 580,235,736.78 × 241,843,711.38
  4. Step 4: Simplify right side
    420,473,404.43x = 140,326,364,059,951,008
  5. Step 5: Solve for x
    x = 140,326,364,059,951,008/420,473,404.43
  6. Step 6: Final answer
    x = 333,734,220.95

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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.