Home / 5,298,383,574.26-7,311,439,882.82-2,919,388,380.56

Finding the Fourth Proportional to 5,298,383,574.26, 7,311,439,882.82 and 2,919,388,380.56

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Solution

The fourth proportional to 5,298,383,574.26, 7,311,439,882.82 and 2,919,388,380.56 is: 4,028,574,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,383,574.26 : 7,311,439,882.82 = 2,919,388,380.56 : x
  2. Step 2: Convert to fraction form
    5,298,383,574.26/7,311,439,882.82 = 2,919,388,380.56/x
  3. Step 3: Cross multiply
    5,298,383,574.26x = 7,311,439,882.82 × 2,919,388,380.56
  4. Step 4: Simplify right side
    5,298,383,574.26x = 21,344,932,639,053,078,528
  5. Step 5: Solve for x
    x = 21,344,932,639,053,078,528/5,298,383,574.26
  6. Step 6: Final answer
    x = 4,028,574,439.71

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Double scale
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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.