Home / 2,642,199,089.85-3,963,298,634.78-1,088,690,758.65

Finding the Fourth Proportional to 2,642,199,089.85, 3,963,298,634.78 and 1,088,690,758.65

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Solution

The fourth proportional to 2,642,199,089.85, 3,963,298,634.78 and 1,088,690,758.65 is: 1,633,036,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,199,089.85 : 3,963,298,634.78 = 1,088,690,758.65 : x
  2. Step 2: Convert to fraction form
    2,642,199,089.85/3,963,298,634.78 = 1,088,690,758.65/x
  3. Step 3: Cross multiply
    2,642,199,089.85x = 3,963,298,634.78 × 1,088,690,758.65
  4. Step 4: Simplify right side
    2,642,199,089.85x = 4,314,806,597,449,704,448
  5. Step 5: Solve for x
    x = 4,314,806,597,449,704,448/2,642,199,089.85
  6. Step 6: Final answer
    x = 1,633,036,137.98

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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.