Home / 618,664,152.59-853,760,971.92-336,404,570.79

Finding the Fourth Proportional to 618,664,152.59, 853,760,971.92 and 336,404,570.79

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Solution

The fourth proportional to 618,664,152.59, 853,760,971.92 and 336,404,570.79 is: 464,240,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,664,152.59 : 853,760,971.92 = 336,404,570.79 : x
  2. Step 2: Convert to fraction form
    618,664,152.59/853,760,971.92 = 336,404,570.79/x
  3. Step 3: Cross multiply
    618,664,152.59x = 853,760,971.92 × 336,404,570.79
  4. Step 4: Simplify right side
    618,664,152.59x = 287,209,093,316,000,832
  5. Step 5: Solve for x
    x = 287,209,093,316,000,832/618,664,152.59
  6. Step 6: Final answer
    x = 464,240,722.71

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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.