Home / 272,193,976,830.80-408,290,965,246.20-73,446,947,109.20

Finding the Fourth Proportional to 272,193,976,830.80, 408,290,965,246.20 and 73,446,947,109.20

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Solution

The fourth proportional to 272,193,976,830.80, 408,290,965,246.20 and 73,446,947,109.20 is: 110,170,420,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,193,976,830.80 : 408,290,965,246.20 = 73,446,947,109.20 : x
  2. Step 2: Convert to fraction form
    272,193,976,830.80/408,290,965,246.20 = 73,446,947,109.20/x
  3. Step 3: Cross multiply
    272,193,976,830.80x = 408,290,965,246.20 × 73,446,947,109.20
  4. Step 4: Simplify right side
    272,193,976,830.80x = 29,987,724,929,601,864,990,720
  5. Step 5: Solve for x
    x = 29,987,724,929,601,864,990,720/272,193,976,830.80
  6. Step 6: Final answer
    x = 110,170,420,663.80

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1.5x scale

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.