Home / 404,286,290.28-557,915,453.24-218,647,306.17

Finding the Fourth Proportional to 404,286,290.28, 557,915,453.24 and 218,647,306.17

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Solution

The fourth proportional to 404,286,290.28, 557,915,453.24 and 218,647,306.17 is: 301,733,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,286,290.28 : 557,915,453.24 = 218,647,306.17 : x
  2. Step 2: Convert to fraction form
    404,286,290.28/557,915,453.24 = 218,647,306.17/x
  3. Step 3: Cross multiply
    404,286,290.28x = 557,915,453.24 × 218,647,306.17
  4. Step 4: Simplify right side
    404,286,290.28x = 121,986,710,920,447,360
  5. Step 5: Solve for x
    x = 121,986,710,920,447,360/404,286,290.28
  6. Step 6: Final answer
    x = 301,733,484.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.