Home / 489,325,086.80-733,987,630.20-166,208,958.80

Finding the Fourth Proportional to 489,325,086.80, 733,987,630.20 and 166,208,958.80

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Solution

The fourth proportional to 489,325,086.80, 733,987,630.20 and 166,208,958.80 is: 249,313,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,325,086.80 : 733,987,630.20 = 166,208,958.80 : x
  2. Step 2: Convert to fraction form
    489,325,086.80/733,987,630.20 = 166,208,958.80/x
  3. Step 3: Cross multiply
    489,325,086.80x = 733,987,630.20 × 166,208,958.80
  4. Step 4: Simplify right side
    489,325,086.80x = 121,995,319,787,621,456
  5. Step 5: Solve for x
    x = 121,995,319,787,621,456/489,325,086.80
  6. Step 6: Final answer
    x = 249,313,438.20

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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.