Home / 324,990,866.28-448,488,264.78-176,311,986.96

Finding the Fourth Proportional to 324,990,866.28, 448,488,264.78 and 176,311,986.96

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Solution

The fourth proportional to 324,990,866.28, 448,488,264.78 and 176,311,986.96 is: 243,311,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,990,866.28 : 448,488,264.78 = 176,311,986.96 : x
  2. Step 2: Convert to fraction form
    324,990,866.28/448,488,264.78 = 176,311,986.96/x
  3. Step 3: Cross multiply
    324,990,866.28x = 448,488,264.78 × 176,311,986.96
  4. Step 4: Simplify right side
    324,990,866.28x = 79,073,857,091,604,384
  5. Step 5: Solve for x
    x = 79,073,857,091,604,384/324,990,866.28
  6. Step 6: Final answer
    x = 243,311,013.62

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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.