Home / 311,287,141.58-467,430,923.03-206,404,477.29

Finding the Fourth Proportional to 311,287,141.58, 467,430,923.03 and 206,404,477.29

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Solution

The fourth proportional to 311,287,141.58, 467,430,923.03 and 206,404,477.29 is: 309,938,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,287,141.58 : 467,430,923.03 = 206,404,477.29 : x
  2. Step 2: Convert to fraction form
    311,287,141.58/467,430,923.03 = 206,404,477.29/x
  3. Step 3: Cross multiply
    311,287,141.58x = 467,430,923.03 × 206,404,477.29
  4. Step 4: Simplify right side
    311,287,141.58x = 96,479,835,336,157,344
  5. Step 5: Solve for x
    x = 96,479,835,336,157,344/311,287,141.58
  6. Step 6: Final answer
    x = 309,938,389.51

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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.