Home / 383,107,717.14-528,688,629.39-206,895,695.52

Finding the Fourth Proportional to 383,107,717.14, 528,688,629.39 and 206,895,695.52

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Solution

The fourth proportional to 383,107,717.14, 528,688,629.39 and 206,895,695.52 is: 285,516,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,107,717.14 : 528,688,629.39 = 206,895,695.52 : x
  2. Step 2: Convert to fraction form
    383,107,717.14/528,688,629.39 = 206,895,695.52/x
  3. Step 3: Cross multiply
    383,107,717.14x = 528,688,629.39 × 206,895,695.52
  4. Step 4: Simplify right side
    383,107,717.14x = 109,383,401,691,159,568
  5. Step 5: Solve for x
    x = 109,383,401,691,159,568/383,107,717.14
  6. Step 6: Final answer
    x = 285,516,048.87

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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.