Home / 324,022,958.19-447,103,580.64-196,797,430.74

Finding the Fourth Proportional to 324,022,958.19, 447,103,580.64 and 196,797,430.74

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Solution

The fourth proportional to 324,022,958.19, 447,103,580.64 and 196,797,430.74 is: 271,551,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,022,958.19 : 447,103,580.64 = 196,797,430.74 : x
  2. Step 2: Convert to fraction form
    324,022,958.19/447,103,580.64 = 196,797,430.74/x
  3. Step 3: Cross multiply
    324,022,958.19x = 447,103,580.64 × 196,797,430.74
  4. Step 4: Simplify right side
    324,022,958.19x = 87,988,835,944,606,400
  5. Step 5: Solve for x
    x = 87,988,835,944,606,400/324,022,958.19
  6. Step 6: Final answer
    x = 271,551,239.57

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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.