Home / 416,780,628.12-625,261,221.54-125,623,393.56

Finding the Fourth Proportional to 416,780,628.12, 625,261,221.54 and 125,623,393.56

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Solution

The fourth proportional to 416,780,628.12, 625,261,221.54 and 125,623,393.56 is: 188,462,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,780,628.12 : 625,261,221.54 = 125,623,393.56 : x
  2. Step 2: Convert to fraction form
    416,780,628.12/625,261,221.54 = 125,623,393.56/x
  3. Step 3: Cross multiply
    416,780,628.12x = 625,261,221.54 × 125,623,393.56
  4. Step 4: Simplify right side
    416,780,628.12x = 78,547,436,511,325,760
  5. Step 5: Solve for x
    x = 78,547,436,511,325,760/416,780,628.12
  6. Step 6: Final answer
    x = 188,462,301.78

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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.