Home / 326,606,456.91-450,716,121.40-177,928,799.74

Finding the Fourth Proportional to 326,606,456.91, 450,716,121.40 and 177,928,799.74

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Solution

The fourth proportional to 326,606,456.91, 450,716,121.40 and 177,928,799.74 is: 245,541,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,606,456.91 : 450,716,121.40 = 177,928,799.74 : x
  2. Step 2: Convert to fraction form
    326,606,456.91/450,716,121.40 = 177,928,799.74/x
  3. Step 3: Cross multiply
    326,606,456.91x = 450,716,121.40 × 177,928,799.74
  4. Step 4: Simplify right side
    326,606,456.91x = 80,195,378,504,170,128
  5. Step 5: Solve for x
    x = 80,195,378,504,170,128/326,606,456.91
  6. Step 6: Final answer
    x = 245,541,313.74

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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.