Home / 440,375,929.97-660,821,477.72-164,217,928.73

Finding the Fourth Proportional to 440,375,929.97, 660,821,477.72 and 164,217,928.73

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Solution

The fourth proportional to 440,375,929.97, 660,821,477.72 and 164,217,928.73 is: 246,422,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,375,929.97 : 660,821,477.72 = 164,217,928.73 : x
  2. Step 2: Convert to fraction form
    440,375,929.97/660,821,477.72 = 164,217,928.73/x
  3. Step 3: Cross multiply
    440,375,929.97x = 660,821,477.72 × 164,217,928.73
  4. Step 4: Simplify right side
    440,375,929.97x = 108,518,734,327,351,040
  5. Step 5: Solve for x
    x = 108,518,734,327,351,040/440,375,929.97
  6. Step 6: Final answer
    x = 246,422,946.72

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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.