Home / 684,161,805.44-944,150,722.78-401,916,142.36

Finding the Fourth Proportional to 684,161,805.44, 944,150,722.78 and 401,916,142.36

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Solution

The fourth proportional to 684,161,805.44, 944,150,722.78 and 401,916,142.36 is: 554,648,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,161,805.44 : 944,150,722.78 = 401,916,142.36 : x
  2. Step 2: Convert to fraction form
    684,161,805.44/944,150,722.78 = 401,916,142.36/x
  3. Step 3: Cross multiply
    684,161,805.44x = 944,150,722.78 × 401,916,142.36
  4. Step 4: Simplify right side
    684,161,805.44x = 379,469,416,306,143,360
  5. Step 5: Solve for x
    x = 379,469,416,306,143,360/684,161,805.44
  6. Step 6: Final answer
    x = 554,648,642.02

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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.