Home / 465,181,197.72-641,954,357.56-256,344,813.56

Finding the Fourth Proportional to 465,181,197.72, 641,954,357.56 and 256,344,813.56

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Solution

The fourth proportional to 465,181,197.72, 641,954,357.56 and 256,344,813.56 is: 353,758,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,197.72 : 641,954,357.56 = 256,344,813.56 : x
  2. Step 2: Convert to fraction form
    465,181,197.72/641,954,357.56 = 256,344,813.56/x
  3. Step 3: Cross multiply
    465,181,197.72x = 641,954,357.56 × 256,344,813.56
  4. Step 4: Simplify right side
    465,181,197.72x = 164,561,670,102,747,776
  5. Step 5: Solve for x
    x = 164,561,670,102,747,776/465,181,197.72
  6. Step 6: Final answer
    x = 353,758,214.88

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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.