Home / 38,179,944,947.44-52,689,957,037.32-21,263,589,789.04

Finding the Fourth Proportional to 38,179,944,947.44, 52,689,957,037.32 and 21,263,589,789.04

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Solution

The fourth proportional to 38,179,944,947.44, 52,689,957,037.32 and 21,263,589,789.04 is: 29,344,663,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,944,947.44 : 52,689,957,037.32 = 21,263,589,789.04 : x
  2. Step 2: Convert to fraction form
    38,179,944,947.44/52,689,957,037.32 = 21,263,589,789.04/x
  3. Step 3: Cross multiply
    38,179,944,947.44x = 52,689,957,037.32 × 21,263,589,789.04
  4. Step 4: Simplify right side
    38,179,944,947.44x = 1,120,377,632,443,713,847,296
  5. Step 5: Solve for x
    x = 1,120,377,632,443,713,847,296/38,179,944,947.44
  6. Step 6: Final answer
    x = 29,344,663,382.47

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Double scale
Find fourth proportional to 38,179,944,948.44, 52,689,957,038.70 and 21,263,589,790.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.