Home / 298,834,745.22-447,332,747.96-194,980,326.30

Finding the Fourth Proportional to 298,834,745.22, 447,332,747.96 and 194,980,326.30

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Solution

The fourth proportional to 298,834,745.22, 447,332,747.96 and 194,980,326.30 is: 291,870,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,834,745.22 : 447,332,747.96 = 194,980,326.30 : x
  2. Step 2: Convert to fraction form
    298,834,745.22/447,332,747.96 = 194,980,326.30/x
  3. Step 3: Cross multiply
    298,834,745.22x = 447,332,747.96 × 194,980,326.30
  4. Step 4: Simplify right side
    298,834,745.22x = 87,221,085,161,916,464
  5. Step 5: Solve for x
    x = 87,221,085,161,916,464/298,834,745.22
  6. Step 6: Final answer
    x = 291,870,629.36

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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.