Home / 421,324,625.46-581,428,939.71-233,166,610.80

Finding the Fourth Proportional to 421,324,625.46, 581,428,939.71 and 233,166,610.80

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Solution

The fourth proportional to 421,324,625.46, 581,428,939.71 and 233,166,610.80 is: 321,770,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,324,625.46 : 581,428,939.71 = 233,166,610.80 : x
  2. Step 2: Convert to fraction form
    421,324,625.46/581,428,939.71 = 233,166,610.80/x
  3. Step 3: Cross multiply
    421,324,625.46x = 581,428,939.71 × 233,166,610.80
  4. Step 4: Simplify right side
    421,324,625.46x = 135,569,815,293,218,256
  5. Step 5: Solve for x
    x = 135,569,815,293,218,256/421,324,625.46
  6. Step 6: Final answer
    x = 321,770,452.29

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1.5x scale

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.