Home / 1,115,757,287.46-1,673,878,069.03-339,382,770.03

Finding the Fourth Proportional to 1,115,757,287.46, 1,673,878,069.03 and 339,382,770.03

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Solution

The fourth proportional to 1,115,757,287.46, 1,673,878,069.03 and 339,382,770.03 is: 509,147,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,757,287.46 : 1,673,878,069.03 = 339,382,770.03 : x
  2. Step 2: Convert to fraction form
    1,115,757,287.46/1,673,878,069.03 = 339,382,770.03/x
  3. Step 3: Cross multiply
    1,115,757,287.46x = 1,673,878,069.03 × 339,382,770.03
  4. Step 4: Simplify right side
    1,115,757,287.46x = 568,085,375,759,868,928
  5. Step 5: Solve for x
    x = 568,085,375,759,868,928/1,115,757,287.46
  6. Step 6: Final answer
    x = 509,147,806.74

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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.