Home / 5,180,467,866.42-7,149,067,194.83-2,801,605,803.67

Finding the Fourth Proportional to 5,180,467,866.42, 7,149,067,194.83 and 2,801,605,803.67

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Solution

The fourth proportional to 5,180,467,866.42, 7,149,067,194.83 and 2,801,605,803.67 is: 3,866,227,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,467,866.42 : 7,149,067,194.83 = 2,801,605,803.67 : x
  2. Step 2: Convert to fraction form
    5,180,467,866.42/7,149,067,194.83 = 2,801,605,803.67/x
  3. Step 3: Cross multiply
    5,180,467,866.42x = 7,149,067,194.83 × 2,801,605,803.67
  4. Step 4: Simplify right side
    5,180,467,866.42x = 20,028,868,143,831,367,680
  5. Step 5: Solve for x
    x = 20,028,868,143,831,367,680/5,180,467,866.42
  6. Step 6: Final answer
    x = 3,866,227,657.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.