Home / 352,266,782.90-486,114,826.43-195,643,974.38

Finding the Fourth Proportional to 352,266,782.90, 486,114,826.43 and 195,643,974.38

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Solution

The fourth proportional to 352,266,782.90, 486,114,826.43 and 195,643,974.38 is: 269,981,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266,782.90 : 486,114,826.43 = 195,643,974.38 : x
  2. Step 2: Convert to fraction form
    352,266,782.90/486,114,826.43 = 195,643,974.38/x
  3. Step 3: Cross multiply
    352,266,782.90x = 486,114,826.43 × 195,643,974.38
  4. Step 4: Simplify right side
    352,266,782.90x = 95,105,436,645,378,496
  5. Step 5: Solve for x
    x = 95,105,436,645,378,496/352,266,782.90
  6. Step 6: Final answer
    x = 269,981,279.14

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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.