Home / 885,514,696.20-1,328,272,044.30-394,227,016.20

Finding the Fourth Proportional to 885,514,696.20, 1,328,272,044.30 and 394,227,016.20

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Solution

The fourth proportional to 885,514,696.20, 1,328,272,044.30 and 394,227,016.20 is: 591,340,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,514,696.20 : 1,328,272,044.30 = 394,227,016.20 : x
  2. Step 2: Convert to fraction form
    885,514,696.20/1,328,272,044.30 = 394,227,016.20/x
  3. Step 3: Cross multiply
    885,514,696.20x = 1,328,272,044.30 × 394,227,016.20
  4. Step 4: Simplify right side
    885,514,696.20x = 523,640,724,726,263,168
  5. Step 5: Solve for x
    x = 523,640,724,726,263,168/885,514,696.20
  6. Step 6: Final answer
    x = 591,340,524.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.