Home / 489,325,063.80-733,987,595.70-166,208,935.80

Finding the Fourth Proportional to 489,325,063.80, 733,987,595.70 and 166,208,935.80

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Solution

The fourth proportional to 489,325,063.80, 733,987,595.70 and 166,208,935.80 is: 249,313,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,325,063.80 : 733,987,595.70 = 166,208,935.80 : x
  2. Step 2: Convert to fraction form
    489,325,063.80/733,987,595.70 = 166,208,935.80/x
  3. Step 3: Cross multiply
    489,325,063.80x = 733,987,595.70 × 166,208,935.80
  4. Step 4: Simplify right side
    489,325,063.80x = 121,995,297,171,697,680
  5. Step 5: Solve for x
    x = 121,995,297,171,697,680/489,325,063.80
  6. Step 6: Final answer
    x = 249,313,403.70

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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.