Home / 618,568,725.24-853,601,883.66-340,093,680.12

Finding the Fourth Proportional to 618,568,725.24, 853,601,883.66 and 340,093,680.12

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Solution

The fourth proportional to 618,568,725.24, 853,601,883.66 and 340,093,680.12 is: 469,316,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,568,725.24 : 853,601,883.66 = 340,093,680.12 : x
  2. Step 2: Convert to fraction form
    618,568,725.24/853,601,883.66 = 340,093,680.12/x
  3. Step 3: Cross multiply
    618,568,725.24x = 853,601,883.66 × 340,093,680.12
  4. Step 4: Simplify right side
    618,568,725.24x = 290,304,605,971,293,504
  5. Step 5: Solve for x
    x = 290,304,605,971,293,504/618,568,725.24
  6. Step 6: Final answer
    x = 469,316,656.54

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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.