Home / 259,428,494,757.82-389,201,420,221.54-140,043,256,804.04

Finding the Fourth Proportional to 259,428,494,757.82, 389,201,420,221.54 and 140,043,256,804.04

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Solution

The fourth proportional to 259,428,494,757.82, 389,201,420,221.54 and 140,043,256,804.04 is: 210,096,560,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,428,494,757.82 : 389,201,420,221.54 = 140,043,256,804.04 : x
  2. Step 2: Convert to fraction form
    259,428,494,757.82/389,201,420,221.54 = 140,043,256,804.04/x
  3. Step 3: Cross multiply
    259,428,494,757.82x = 389,201,420,221.54 × 140,043,256,804.04
  4. Step 4: Simplify right side
    259,428,494,757.82x = 54,505,034,440,582,209,994,752
  5. Step 5: Solve for x
    x = 54,505,034,440,582,209,994,752/259,428,494,757.82
  6. Step 6: Final answer
    x = 210,096,560,485.63

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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.