Home / 321,540,637.29-443,562,475.11-210,096,630.96

Finding the Fourth Proportional to 321,540,637.29, 443,562,475.11 and 210,096,630.96

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Solution

The fourth proportional to 321,540,637.29, 443,562,475.11 and 210,096,630.96 is: 289,826,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,540,637.29 : 443,562,475.11 = 210,096,630.96 : x
  2. Step 2: Convert to fraction form
    321,540,637.29/443,562,475.11 = 210,096,630.96/x
  3. Step 3: Cross multiply
    321,540,637.29x = 443,562,475.11 × 210,096,630.96
  4. Step 4: Simplify right side
    321,540,637.29x = 93,190,981,640,889,856
  5. Step 5: Solve for x
    x = 93,190,981,640,889,856/321,540,637.29
  6. Step 6: Final answer
    x = 289,826,450.64

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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.