Home / 823,601,864.36-1,235,401,753.26-210,186,103.88

Finding the Fourth Proportional to 823,601,864.36, 1,235,401,753.26 and 210,186,103.88

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Solution

The fourth proportional to 823,601,864.36, 1,235,401,753.26 and 210,186,103.88 is: 315,278,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,864.36 : 1,235,401,753.26 = 210,186,103.88 : x
  2. Step 2: Convert to fraction form
    823,601,864.36/1,235,401,753.26 = 210,186,103.88/x
  3. Step 3: Cross multiply
    823,601,864.36x = 1,235,401,753.26 × 210,186,103.88
  4. Step 4: Simplify right side
    823,601,864.36x = 259,664,281,244,240,480
  5. Step 5: Solve for x
    x = 259,664,281,244,240,480/823,601,864.36
  6. Step 6: Final answer
    x = 315,278,889.57

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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.