Home / 420,944,621.94-580,907,336.98-232,785,647.74

Finding the Fourth Proportional to 420,944,621.94, 580,907,336.98 and 232,785,647.74

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Solution

The fourth proportional to 420,944,621.94, 580,907,336.98 and 232,785,647.74 is: 321,246,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,944,621.94 : 580,907,336.98 = 232,785,647.74 : x
  2. Step 2: Convert to fraction form
    420,944,621.94/580,907,336.98 = 232,785,647.74/x
  3. Step 3: Cross multiply
    420,944,621.94x = 580,907,336.98 × 232,785,647.74
  4. Step 4: Simplify right side
    420,944,621.94x = 135,226,890,715,807,760
  5. Step 5: Solve for x
    x = 135,226,890,715,807,760/420,944,621.94
  6. Step 6: Final answer
    x = 321,246,272.47

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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.