Home / 347,825,230.16-479,995,988.19-191,190,671.78

Finding the Fourth Proportional to 347,825,230.16, 479,995,988.19 and 191,190,671.78

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Solution

The fourth proportional to 347,825,230.16, 479,995,988.19 and 191,190,671.78 is: 263,841,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,825,230.16 : 479,995,988.19 = 191,190,671.78 : x
  2. Step 2: Convert to fraction form
    347,825,230.16/479,995,988.19 = 191,190,671.78/x
  3. Step 3: Cross multiply
    347,825,230.16x = 479,995,988.19 × 191,190,671.78
  4. Step 4: Simplify right side
    347,825,230.16x = 91,770,755,431,351,072
  5. Step 5: Solve for x
    x = 91,770,755,431,351,072/347,825,230.16
  6. Step 6: Final answer
    x = 263,841,571.79

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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.