Home / 465,181,198.74-641,954,358.96-256,344,814.56

Finding the Fourth Proportional to 465,181,198.74, 641,954,358.96 and 256,344,814.56

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Solution

The fourth proportional to 465,181,198.74, 641,954,358.96 and 256,344,814.56 is: 353,758,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,198.74 : 641,954,358.96 = 256,344,814.56 : x
  2. Step 2: Convert to fraction form
    465,181,198.74/641,954,358.96 = 256,344,814.56/x
  3. Step 3: Cross multiply
    465,181,198.74x = 641,954,358.96 × 256,344,814.56
  4. Step 4: Simplify right side
    465,181,198.74x = 164,561,671,103,584,896
  5. Step 5: Solve for x
    x = 164,561,671,103,584,896/465,181,198.74
  6. Step 6: Final answer
    x = 353,758,216.26

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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.