Home / 823,601,843.80-1,235,401,722.38-210,186,083.32

Finding the Fourth Proportional to 823,601,843.80, 1,235,401,722.38 and 210,186,083.32

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Solution

The fourth proportional to 823,601,843.80, 1,235,401,722.38 and 210,186,083.32 is: 315,278,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,843.80 : 1,235,401,722.38 = 210,186,083.32 : x
  2. Step 2: Convert to fraction form
    823,601,843.80/1,235,401,722.38 = 210,186,083.32/x
  3. Step 3: Cross multiply
    823,601,843.80x = 1,235,401,722.38 × 210,186,083.32
  4. Step 4: Simplify right side
    823,601,843.80x = 259,664,249,351,271,136
  5. Step 5: Solve for x
    x = 259,664,249,351,271,136/823,601,843.80
  6. Step 6: Final answer
    x = 315,278,858.72

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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.