Home / 383,207,741.50-528,826,914.94-206,995,814.70

Finding the Fourth Proportional to 383,207,741.50, 528,826,914.94 and 206,995,814.70

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Solution

The fourth proportional to 383,207,741.50, 528,826,914.94 and 206,995,814.70 is: 285,654,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,207,741.50 : 528,826,914.94 = 206,995,814.70 : x
  2. Step 2: Convert to fraction form
    383,207,741.50/528,826,914.94 = 206,995,814.70/x
  3. Step 3: Cross multiply
    383,207,741.50x = 528,826,914.94 × 206,995,814.70
  4. Step 4: Simplify right side
    383,207,741.50x = 109,464,958,093,292,896
  5. Step 5: Solve for x
    x = 109,464,958,093,292,896/383,207,741.50
  6. Step 6: Final answer
    x = 285,654,349.43

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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.