Home / 339,768,460.80-509,329,831.68-216,601,079.04

Finding the Fourth Proportional to 339,768,460.80, 509,329,831.68 and 216,601,079.04

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Solution

The fourth proportional to 339,768,460.80, 509,329,831.68 and 216,601,079.04 is: 324,695,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,768,460.80 : 509,329,831.68 = 216,601,079.04 : x
  2. Step 2: Convert to fraction form
    339,768,460.80/509,329,831.68 = 216,601,079.04/x
  3. Step 3: Cross multiply
    339,768,460.80x = 509,329,831.68 × 216,601,079.04
  4. Step 4: Simplify right side
    339,768,460.80x = 110,321,391,129,149,568
  5. Step 5: Solve for x
    x = 110,321,391,129,149,568/339,768,460.80
  6. Step 6: Final answer
    x = 324,695,796.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.