Home / 54,491,808,531.67-81,735,384,112.94-18,639,771,449.85

Finding the Fourth Proportional to 54,491,808,531.67, 81,735,384,112.94 and 18,639,771,449.85

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Solution

The fourth proportional to 54,491,808,531.67, 81,735,384,112.94 and 18,639,771,449.85 is: 27,958,860,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,491,808,531.67 : 81,735,384,112.94 = 18,639,771,449.85 : x
  2. Step 2: Convert to fraction form
    54,491,808,531.67/81,735,384,112.94 = 18,639,771,449.85/x
  3. Step 3: Cross multiply
    54,491,808,531.67x = 81,735,384,112.94 × 18,639,771,449.85
  4. Step 4: Simplify right side
    54,491,808,531.67x = 1,523,528,879,230,902,075,392
  5. Step 5: Solve for x
    x = 1,523,528,879,230,902,075,392/54,491,808,531.67
  6. Step 6: Final answer
    x = 27,958,860,611.97

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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.