Home / 342,097,007.52-472,144,986-269,305,906.08

Finding the Fourth Proportional to 342,097,007.52, 472,144,986 and 269,305,906.08

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Solution

The fourth proportional to 342,097,007.52, 472,144,986 and 269,305,906.08 is: 371,682,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,097,007.52 : 472,144,986 = 269,305,906.08 : x
  2. Step 2: Convert to fraction form
    342,097,007.52/472,144,986 = 269,305,906.08/x
  3. Step 3: Cross multiply
    342,097,007.52x = 472,144,986 × 269,305,906.08
  4. Step 4: Simplify right side
    342,097,007.52x = 127,151,433,255,858,912
  5. Step 5: Solve for x
    x = 127,151,433,255,858,912/342,097,007.52
  6. Step 6: Final answer
    x = 371,682,389.68

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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.