Home / 455,179,628.23-628,147,879.27-246,335,770.88

Finding the Fourth Proportional to 455,179,628.23, 628,147,879.27 and 246,335,770.88

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Solution

The fourth proportional to 455,179,628.23, 628,147,879.27 and 246,335,770.88 is: 339,943,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,179,628.23 : 628,147,879.27 = 246,335,770.88 : x
  2. Step 2: Convert to fraction form
    455,179,628.23/628,147,879.27 = 246,335,770.88/x
  3. Step 3: Cross multiply
    455,179,628.23x = 628,147,879.27 × 246,335,770.88
  4. Step 4: Simplify right side
    455,179,628.23x = 154,735,292,065,660,928
  5. Step 5: Solve for x
    x = 154,735,292,065,660,928/455,179,628.23
  6. Step 6: Final answer
    x = 339,943,359.65

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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.