Home / 920,753,179.53-1,382,112,953.37-396,381,822.27

Finding the Fourth Proportional to 920,753,179.53, 1,382,112,953.37 and 396,381,822.27

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Solution

The fourth proportional to 920,753,179.53, 1,382,112,953.37 and 396,381,822.27 is: 594,995,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,753,179.53 : 1,382,112,953.37 = 396,381,822.27 : x
  2. Step 2: Convert to fraction form
    920,753,179.53/1,382,112,953.37 = 396,381,822.27/x
  3. Step 3: Cross multiply
    920,753,179.53x = 1,382,112,953.37 × 396,381,822.27
  4. Step 4: Simplify right side
    920,753,179.53x = 547,844,451,039,772,096
  5. Step 5: Solve for x
    x = 547,844,451,039,772,096/920,753,179.53
  6. Step 6: Final answer
    x = 594,995,991.56

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1.5x scale

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.