Home / 512,008,195.78-706,572,538.39-277,061,377.37

Finding the Fourth Proportional to 512,008,195.78, 706,572,538.39 and 277,061,377.37

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Solution

The fourth proportional to 512,008,195.78, 706,572,538.39 and 277,061,377.37 is: 382,345,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,008,195.78 : 706,572,538.39 = 277,061,377.37 : x
  2. Step 2: Convert to fraction form
    512,008,195.78/706,572,538.39 = 277,061,377.37/x
  3. Step 3: Cross multiply
    512,008,195.78x = 706,572,538.39 × 277,061,377.37
  4. Step 4: Simplify right side
    512,008,195.78x = 195,763,960,698,150,592
  5. Step 5: Solve for x
    x = 195,763,960,698,150,592/512,008,195.78
  6. Step 6: Final answer
    x = 382,345,365.39

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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.