Home / 489,325,103.80-733,987,655.70-166,208,975.80

Finding the Fourth Proportional to 489,325,103.80, 733,987,655.70 and 166,208,975.80

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Solution

The fourth proportional to 489,325,103.80, 733,987,655.70 and 166,208,975.80 is: 249,313,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,325,103.80 : 733,987,655.70 = 166,208,975.80 : x
  2. Step 2: Convert to fraction form
    489,325,103.80/733,987,655.70 = 166,208,975.80/x
  3. Step 3: Cross multiply
    489,325,103.80x = 733,987,655.70 × 166,208,975.80
  4. Step 4: Simplify right side
    489,325,103.80x = 121,995,336,503,740,048
  5. Step 5: Solve for x
    x = 121,995,336,503,740,048/489,325,103.80
  6. Step 6: Final answer
    x = 249,313,463.70

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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.