Home / 920,753,179.03-1,382,112,952.62-396,381,821.77

Finding the Fourth Proportional to 920,753,179.03, 1,382,112,952.62 and 396,381,821.77

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Solution

The fourth proportional to 920,753,179.03, 1,382,112,952.62 and 396,381,821.77 is: 594,995,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,753,179.03 : 1,382,112,952.62 = 396,381,821.77 : x
  2. Step 2: Convert to fraction form
    920,753,179.03/1,382,112,952.62 = 396,381,821.77/x
  3. Step 3: Cross multiply
    920,753,179.03x = 1,382,112,952.62 × 396,381,821.77
  4. Step 4: Simplify right side
    920,753,179.03x = 547,844,450,051,429,248
  5. Step 5: Solve for x
    x = 547,844,450,051,429,248/920,753,179.03
  6. Step 6: Final answer
    x = 594,995,990.81

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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.