Home / 1,728,150,863.91-2,591,933,919.05-484,295,052.76

Finding the Fourth Proportional to 1,728,150,863.91, 2,591,933,919.05 and 484,295,052.76

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Solution

The fourth proportional to 1,728,150,863.91, 2,591,933,919.05 and 484,295,052.76 is: 726,360,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,150,863.91 : 2,591,933,919.05 = 484,295,052.76 : x
  2. Step 2: Convert to fraction form
    1,728,150,863.91/2,591,933,919.05 = 484,295,052.76/x
  3. Step 3: Cross multiply
    1,728,150,863.91x = 2,591,933,919.05 × 484,295,052.76
  4. Step 4: Simplify right side
    1,728,150,863.91x = 1,255,260,774,077,964,032
  5. Step 5: Solve for x
    x = 1,255,260,774,077,964,032/1,728,150,863.91
  6. Step 6: Final answer
    x = 726,360,643.79

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Double scale
Find fourth proportional to 1,728,150,864.91, 2,591,933,920.55 and 484,295,053.76
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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.