Home / 18,177,068,999.20-27,265,603,498.80-11,203,500,197.20

Finding the Fourth Proportional to 18,177,068,999.20, 27,265,603,498.80 and 11,203,500,197.20

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Solution

The fourth proportional to 18,177,068,999.20, 27,265,603,498.80 and 11,203,500,197.20 is: 16,805,250,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177,068,999.20 : 27,265,603,498.80 = 11,203,500,197.20 : x
  2. Step 2: Convert to fraction form
    18,177,068,999.20/27,265,603,498.80 = 11,203,500,197.20/x
  3. Step 3: Cross multiply
    18,177,068,999.20x = 27,265,603,498.80 × 11,203,500,197.20
  4. Step 4: Simplify right side
    18,177,068,999.20x = 305,470,194,175,582,797,824
  5. Step 5: Solve for x
    x = 305,470,194,175,582,797,824/18,177,068,999.20
  6. Step 6: Final answer
    x = 16,805,250,295.80

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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.