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Finding the Fourth Proportional to 294,036,354.80, 440,382,685.80 and 173,104,002.80

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Solution

The fourth proportional to 294,036,354.80, 440,382,685.80 and 173,104,002.80 is: 259,260,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,036,354.80 : 440,382,685.80 = 173,104,002.80 : x
  2. Step 2: Convert to fraction form
    294,036,354.80/440,382,685.80 = 173,104,002.80/x
  3. Step 3: Cross multiply
    294,036,354.80x = 440,382,685.80 × 173,104,002.80
  4. Step 4: Simplify right side
    294,036,354.80x = 76,232,005,675,794,720
  5. Step 5: Solve for x
    x = 76,232,005,675,794,720/294,036,354.80
  6. Step 6: Final answer
    x = 259,260,477.26

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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.