Home / 654,022,437.28-981,037,198.32-193,964,592.64

Finding the Fourth Proportional to 654,022,437.28, 981,037,198.32 and 193,964,592.64

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Solution

The fourth proportional to 654,022,437.28, 981,037,198.32 and 193,964,592.64 is: 290,947,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,022,437.28 : 981,037,198.32 = 193,964,592.64 : x
  2. Step 2: Convert to fraction form
    654,022,437.28/981,037,198.32 = 193,964,592.64/x
  3. Step 3: Cross multiply
    654,022,437.28x = 981,037,198.32 × 193,964,592.64
  4. Step 4: Simplify right side
    654,022,437.28x = 190,286,480,536,825,696
  5. Step 5: Solve for x
    x = 190,286,480,536,825,696/654,022,437.28
  6. Step 6: Final answer
    x = 290,947,939.54

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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.