Home / 352,256,700.72-486,100,929.38-195,633,896.78

Finding the Fourth Proportional to 352,256,700.72, 486,100,929.38 and 195,633,896.78

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Solution

The fourth proportional to 352,256,700.72, 486,100,929.38 and 195,633,896.78 is: 269,967,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,256,700.72 : 486,100,929.38 = 195,633,896.78 : x
  2. Step 2: Convert to fraction form
    352,256,700.72/486,100,929.38 = 195,633,896.78/x
  3. Step 3: Cross multiply
    352,256,700.72x = 486,100,929.38 × 195,633,896.78
  4. Step 4: Simplify right side
    352,256,700.72x = 95,097,819,042,142,432
  5. Step 5: Solve for x
    x = 95,097,819,042,142,432/352,256,700.72
  6. Step 6: Final answer
    x = 269,967,381.31

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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.