Home / 512,008,195.40-706,572,537.87-277,061,377

Finding the Fourth Proportional to 512,008,195.40, 706,572,537.87 and 277,061,377

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Solution

The fourth proportional to 512,008,195.40, 706,572,537.87 and 277,061,377 is: 382,345,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,008,195.40 : 706,572,537.87 = 277,061,377 : x
  2. Step 2: Convert to fraction form
    512,008,195.40/706,572,537.87 = 277,061,377/x
  3. Step 3: Cross multiply
    512,008,195.40x = 706,572,537.87 × 277,061,377
  4. Step 4: Simplify right side
    512,008,195.40x = 195,763,960,292,646,848
  5. Step 5: Solve for x
    x = 195,763,960,292,646,848/512,008,195.40
  6. Step 6: Final answer
    x = 382,345,364.88

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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.