Home / 231,040,512,007.20-346,560,768,010.80-199,082,626,336.80

Finding the Fourth Proportional to 231,040,512,007.20, 346,560,768,010.80 and 199,082,626,336.80

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Solution

The fourth proportional to 231,040,512,007.20, 346,560,768,010.80 and 199,082,626,336.80 is: 298,623,939,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,040,512,007.20 : 346,560,768,010.80 = 199,082,626,336.80 : x
  2. Step 2: Convert to fraction form
    231,040,512,007.20/346,560,768,010.80 = 199,082,626,336.80/x
  3. Step 3: Cross multiply
    231,040,512,007.20x = 346,560,768,010.80 × 199,082,626,336.80
  4. Step 4: Simplify right side
    231,040,512,007.20x = 68,994,227,880,888,518,049,792
  5. Step 5: Solve for x
    x = 68,994,227,880,888,518,049,792/231,040,512,007.20
  6. Step 6: Final answer
    x = 298,623,939,505.20

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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.