Home / 823,601,837.55-1,235,401,713.04-210,186,077.07

Finding the Fourth Proportional to 823,601,837.55, 1,235,401,713.04 and 210,186,077.07

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Solution

The fourth proportional to 823,601,837.55, 1,235,401,713.04 and 210,186,077.07 is: 315,278,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,837.55 : 1,235,401,713.04 = 210,186,077.07 : x
  2. Step 2: Convert to fraction form
    823,601,837.55/1,235,401,713.04 = 210,186,077.07/x
  3. Step 3: Cross multiply
    823,601,837.55x = 1,235,401,713.04 × 210,186,077.07
  4. Step 4: Simplify right side
    823,601,837.55x = 259,664,239,669,435,456
  5. Step 5: Solve for x
    x = 259,664,239,669,435,456/823,601,837.55
  6. Step 6: Final answer
    x = 315,278,849.36

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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.