Home / 920,753,179.85-1,382,112,953.85-396,381,822.59

Finding the Fourth Proportional to 920,753,179.85, 1,382,112,953.85 and 396,381,822.59

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Solution

The fourth proportional to 920,753,179.85, 1,382,112,953.85 and 396,381,822.59 is: 594,995,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,753,179.85 : 1,382,112,953.85 = 396,381,822.59 : x
  2. Step 2: Convert to fraction form
    920,753,179.85/1,382,112,953.85 = 396,381,822.59/x
  3. Step 3: Cross multiply
    920,753,179.85x = 1,382,112,953.85 × 396,381,822.59
  4. Step 4: Simplify right side
    920,753,179.85x = 547,844,451,663,419,072
  5. Step 5: Solve for x
    x = 547,844,451,663,419,072/920,753,179.85
  6. Step 6: Final answer
    x = 594,995,992.04

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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.