Home / 479,161,716.34-661,243,163.43-259,145,142.34

Finding the Fourth Proportional to 479,161,716.34, 661,243,163.43 and 259,145,142.34

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Solution

The fourth proportional to 479,161,716.34, 661,243,163.43 and 259,145,142.34 is: 357,620,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,161,716.34 : 661,243,163.43 = 259,145,142.34 : x
  2. Step 2: Convert to fraction form
    479,161,716.34/661,243,163.43 = 259,145,142.34/x
  3. Step 3: Cross multiply
    479,161,716.34x = 661,243,163.43 × 259,145,142.34
  4. Step 4: Simplify right side
    479,161,716.34x = 171,357,953,708,419,232
  5. Step 5: Solve for x
    x = 171,357,953,708,419,232/479,161,716.34
  6. Step 6: Final answer
    x = 357,620,293.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.