Home / 333,548,393.73-500,320,071.41-100,378,101.86

Finding the Fourth Proportional to 333,548,393.73, 500,320,071.41 and 100,378,101.86

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Solution

The fourth proportional to 333,548,393.73, 500,320,071.41 and 100,378,101.86 is: 150,566,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,548,393.73 : 500,320,071.41 = 100,378,101.86 : x
  2. Step 2: Convert to fraction form
    333,548,393.73/500,320,071.41 = 100,378,101.86/x
  3. Step 3: Cross multiply
    333,548,393.73x = 500,320,071.41 × 100,378,101.86
  4. Step 4: Simplify right side
    333,548,393.73x = 50,221,179,087,591,960
  5. Step 5: Solve for x
    x = 50,221,179,087,591,960/333,548,393.73
  6. Step 6: Final answer
    x = 150,566,394.66

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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.