Home / 418,569,020.58-627,431,469-263,233,841.86

Finding the Fourth Proportional to 418,569,020.58, 627,431,469 and 263,233,841.86

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Solution

The fourth proportional to 418,569,020.58, 627,431,469 and 263,233,841.86 is: 394,585,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,569,020.58 : 627,431,469 = 263,233,841.86 : x
  2. Step 2: Convert to fraction form
    418,569,020.58/627,431,469 = 263,233,841.86/x
  3. Step 3: Cross multiply
    418,569,020.58x = 627,431,469 × 263,233,841.86
  4. Step 4: Simplify right side
    418,569,020.58x = 165,161,196,088,733,504
  5. Step 5: Solve for x
    x = 165,161,196,088,733,504/418,569,020.58
  6. Step 6: Final answer
    x = 394,585,332.33

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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.