Home / 279,333,629,170.80-419,000,443,756.20-191,173,944,562.80

Finding the Fourth Proportional to 279,333,629,170.80, 419,000,443,756.20 and 191,173,944,562.80

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Solution

The fourth proportional to 279,333,629,170.80, 419,000,443,756.20 and 191,173,944,562.80 is: 286,760,916,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,333,629,170.80 : 419,000,443,756.20 = 191,173,944,562.80 : x
  2. Step 2: Convert to fraction form
    279,333,629,170.80/419,000,443,756.20 = 191,173,944,562.80/x
  3. Step 3: Cross multiply
    279,333,629,170.80x = 419,000,443,756.20 × 191,173,944,562.80
  4. Step 4: Simplify right side
    279,333,629,170.80x = 80,101,967,606,436,375,560,192
  5. Step 5: Solve for x
    x = 80,101,967,606,436,375,560,192/279,333,629,170.80
  6. Step 6: Final answer
    x = 286,760,916,844.20

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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.