Home / 1,923,606,744.78-2,887,275,965.98-928,328,193.88

Finding the Fourth Proportional to 1,923,606,744.78, 2,887,275,965.98 and 928,328,193.88

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Solution

The fourth proportional to 1,923,606,744.78, 2,887,275,965.98 and 928,328,193.88 is: 1,393,392,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,606,744.78 : 2,887,275,965.98 = 928,328,193.88 : x
  2. Step 2: Convert to fraction form
    1,923,606,744.78/2,887,275,965.98 = 928,328,193.88/x
  3. Step 3: Cross multiply
    1,923,606,744.78x = 2,887,275,965.98 × 928,328,193.88
  4. Step 4: Simplify right side
    1,923,606,744.78x = 2,680,339,682,731,345,920
  5. Step 5: Solve for x
    x = 2,680,339,682,731,345,920/1,923,606,744.78
  6. Step 6: Final answer
    x = 1,393,392,745.17

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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.