Home / 494,645,453.80-741,992,042.32-162,645,113.09

Finding the Fourth Proportional to 494,645,453.80, 741,992,042.32 and 162,645,113.09

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Solution

The fourth proportional to 494,645,453.80, 741,992,042.32 and 162,645,113.09 is: 243,975,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,645,453.80 : 741,992,042.32 = 162,645,113.09 : x
  2. Step 2: Convert to fraction form
    494,645,453.80/741,992,042.32 = 162,645,113.09/x
  3. Step 3: Cross multiply
    494,645,453.80x = 741,992,042.32 × 162,645,113.09
  4. Step 4: Simplify right side
    494,645,453.80x = 120,681,379,636,464,832
  5. Step 5: Solve for x
    x = 120,681,379,636,464,832/494,645,453.80
  6. Step 6: Final answer
    x = 243,975,515.61

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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.