Home / 823,601,843.88-1,235,401,722.54-210,186,083.40

Finding the Fourth Proportional to 823,601,843.88, 1,235,401,722.54 and 210,186,083.40

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Solution

The fourth proportional to 823,601,843.88, 1,235,401,722.54 and 210,186,083.40 is: 315,278,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,843.88 : 1,235,401,722.54 = 210,186,083.40 : x
  2. Step 2: Convert to fraction form
    823,601,843.88/1,235,401,722.54 = 210,186,083.40/x
  3. Step 3: Cross multiply
    823,601,843.88x = 1,235,401,722.54 × 210,186,083.40
  4. Step 4: Simplify right side
    823,601,843.88x = 259,664,249,479,068,192
  5. Step 5: Solve for x
    x = 259,664,249,479,068,192/823,601,843.88
  6. Step 6: Final answer
    x = 315,278,858.84

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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.