Home / 1,019,448,286.20-1,526,904,947.70-838,049,758.20

Finding the Fourth Proportional to 1,019,448,286.20, 1,526,904,947.70 and 838,049,758.20

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Solution

The fourth proportional to 1,019,448,286.20, 1,526,904,947.70 and 838,049,758.20 is: 1,255,210,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,448,286.20 : 1,526,904,947.70 = 838,049,758.20 : x
  2. Step 2: Convert to fraction form
    1,019,448,286.20/1,526,904,947.70 = 838,049,758.20/x
  3. Step 3: Cross multiply
    1,019,448,286.20x = 1,526,904,947.70 × 838,049,758.20
  4. Step 4: Simplify right side
    1,019,448,286.20x = 1,279,622,322,214,368,768
  5. Step 5: Solve for x
    x = 1,279,622,322,214,368,768/1,019,448,286.20
  6. Step 6: Final answer
    x = 1,255,210,626.70

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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.