Home / 911,270,288.58-1,366,895,468.30-221,177,542.54

Finding the Fourth Proportional to 911,270,288.58, 1,366,895,468.30 and 221,177,542.54

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Solution

The fourth proportional to 911,270,288.58, 1,366,895,468.30 and 221,177,542.54 is: 331,763,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,270,288.58 : 1,366,895,468.30 = 221,177,542.54 : x
  2. Step 2: Convert to fraction form
    911,270,288.58/1,366,895,468.30 = 221,177,542.54/x
  3. Step 3: Cross multiply
    911,270,288.58x = 1,366,895,468.30 × 221,177,542.54
  4. Step 4: Simplify right side
    911,270,288.58x = 302,326,580,587,656,448
  5. Step 5: Solve for x
    x = 302,326,580,587,656,448/911,270,288.58
  6. Step 6: Final answer
    x = 331,763,895.27

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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.