Home / 820,363,379.28-1,132,101,379.08-444,019,901.52

Finding the Fourth Proportional to 820,363,379.28, 1,132,101,379.08 and 444,019,901.52

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Solution

The fourth proportional to 820,363,379.28, 1,132,101,379.08 and 444,019,901.52 is: 612,747,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,363,379.28 : 1,132,101,379.08 = 444,019,901.52 : x
  2. Step 2: Convert to fraction form
    820,363,379.28/1,132,101,379.08 = 444,019,901.52/x
  3. Step 3: Cross multiply
    820,363,379.28x = 1,132,101,379.08 × 444,019,901.52
  4. Step 4: Simplify right side
    820,363,379.28x = 502,675,542,849,757,760
  5. Step 5: Solve for x
    x = 502,675,542,849,757,760/820,363,379.28
  6. Step 6: Final answer
    x = 612,747,418.46

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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.