Home / 352,427,016-486,320,813.76-203,757,720.36

Finding the Fourth Proportional to 352,427,016, 486,320,813.76 and 203,757,720.36

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Solution

The fourth proportional to 352,427,016, 486,320,813.76 and 203,757,720.36 is: 281,169,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,427,016 : 486,320,813.76 = 203,757,720.36 : x
  2. Step 2: Convert to fraction form
    352,427,016/486,320,813.76 = 203,757,720.36/x
  3. Step 3: Cross multiply
    352,427,016x = 486,320,813.76 × 203,757,720.36
  4. Step 4: Simplify right side
    352,427,016x = 99,091,620,375,357,728
  5. Step 5: Solve for x
    x = 99,091,620,375,357,728/352,427,016
  6. Step 6: Final answer
    x = 281,169,194.97

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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.