Home / 823,601,846.61-1,235,401,726.64-210,186,086.13

Finding the Fourth Proportional to 823,601,846.61, 1,235,401,726.64 and 210,186,086.13

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Solution

The fourth proportional to 823,601,846.61, 1,235,401,726.64 and 210,186,086.13 is: 315,278,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,846.61 : 1,235,401,726.64 = 210,186,086.13 : x
  2. Step 2: Convert to fraction form
    823,601,846.61/1,235,401,726.64 = 210,186,086.13/x
  3. Step 3: Cross multiply
    823,601,846.61x = 1,235,401,726.64 × 210,186,086.13
  4. Step 4: Simplify right side
    823,601,846.61x = 259,664,253,719,654,816
  5. Step 5: Solve for x
    x = 259,664,253,719,654,816/823,601,846.61
  6. Step 6: Final answer
    x = 315,278,862.95

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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.