Home / 383,105,575.39-528,685,676.61-206,893,555.17

Finding the Fourth Proportional to 383,105,575.39, 528,685,676.61 and 206,893,555.17

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Solution

The fourth proportional to 383,105,575.39, 528,685,676.61 and 206,893,555.17 is: 285,513,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,105,575.39 : 528,685,676.61 = 206,893,555.17 : x
  2. Step 2: Convert to fraction form
    383,105,575.39/528,685,676.61 = 206,893,555.17/x
  3. Step 3: Cross multiply
    383,105,575.39x = 528,685,676.61 × 206,893,555.17
  4. Step 4: Simplify right side
    383,105,575.39x = 109,381,659,202,678,560
  5. Step 5: Solve for x
    x = 109,381,659,202,678,560/383,105,575.39
  6. Step 6: Final answer
    x = 285,513,096.73

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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.