Home / 1,206,479,876.55-1,809,717,141.01-321,165,436.65

Finding the Fourth Proportional to 1,206,479,876.55, 1,809,717,141.01 and 321,165,436.65

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Solution

The fourth proportional to 1,206,479,876.55, 1,809,717,141.01 and 321,165,436.65 is: 481,747,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,479,876.55 : 1,809,717,141.01 = 321,165,436.65 : x
  2. Step 2: Convert to fraction form
    1,206,479,876.55/1,809,717,141.01 = 321,165,436.65/x
  3. Step 3: Cross multiply
    1,206,479,876.55x = 1,809,717,141.01 × 321,165,436.65
  4. Step 4: Simplify right side
    1,206,479,876.55x = 581,218,595,805,466,240
  5. Step 5: Solve for x
    x = 581,218,595,805,466,240/1,206,479,876.55
  6. Step 6: Final answer
    x = 481,747,443.20

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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.