Home / 310,780,900.44-428,887,793.43-169,659,645.53

Finding the Fourth Proportional to 310,780,900.44, 428,887,793.43 and 169,659,645.53

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Solution

The fourth proportional to 310,780,900.44, 428,887,793.43 and 169,659,645.53 is: 234,135,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,780,900.44 : 428,887,793.43 = 169,659,645.53 : x
  2. Step 2: Convert to fraction form
    310,780,900.44/428,887,793.43 = 169,659,645.53/x
  3. Step 3: Cross multiply
    310,780,900.44x = 428,887,793.43 × 169,659,645.53
  4. Step 4: Simplify right side
    310,780,900.44x = 72,764,951,003,333,232
  5. Step 5: Solve for x
    x = 72,764,951,003,333,232/310,780,900.44
  6. Step 6: Final answer
    x = 234,135,852.30

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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.