Home / 558,514,839,803.82-770,752,832,789.78-314,647,234,781.10

Finding the Fourth Proportional to 558,514,839,803.82, 770,752,832,789.78 and 314,647,234,781.10

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Solution

The fourth proportional to 558,514,839,803.82, 770,752,832,789.78 and 314,647,234,781.10 is: 434,214,510,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,514,839,803.82 : 770,752,832,789.78 = 314,647,234,781.10 : x
  2. Step 2: Convert to fraction form
    558,514,839,803.82/770,752,832,789.78 = 314,647,234,781.10/x
  3. Step 3: Cross multiply
    558,514,839,803.82x = 770,752,832,789.78 × 314,647,234,781.10
  4. Step 4: Simplify right side
    558,514,839,803.82x = 242,515,247,537,003,805,278,208
  5. Step 5: Solve for x
    x = 242,515,247,537,003,805,278,208/558,514,839,803.82
  6. Step 6: Final answer
    x = 434,214,510,078.53

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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.