Home / 820,979,206.39-1,132,950,945.92-444,635,813.16

Finding the Fourth Proportional to 820,979,206.39, 1,132,950,945.92 and 444,635,813.16

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Solution

The fourth proportional to 820,979,206.39, 1,132,950,945.92 and 444,635,813.16 is: 613,597,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,979,206.39 : 1,132,950,945.92 = 444,635,813.16 : x
  2. Step 2: Convert to fraction form
    820,979,206.39/1,132,950,945.92 = 444,635,813.16/x
  3. Step 3: Cross multiply
    820,979,206.39x = 1,132,950,945.92 × 444,635,813.16
  4. Step 4: Simplify right side
    820,979,206.39x = 503,750,565,107,307,200
  5. Step 5: Solve for x
    x = 503,750,565,107,307,200/820,979,206.39
  6. Step 6: Final answer
    x = 613,597,227.78

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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.