Home / 5,180,467,852.92-7,149,067,176.18-2,801,605,790.16

Finding the Fourth Proportional to 5,180,467,852.92, 7,149,067,176.18 and 2,801,605,790.16

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Solution

The fourth proportional to 5,180,467,852.92, 7,149,067,176.18 and 2,801,605,790.16 is: 3,866,227,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,467,852.92 : 7,149,067,176.18 = 2,801,605,790.16 : x
  2. Step 2: Convert to fraction form
    5,180,467,852.92/7,149,067,176.18 = 2,801,605,790.16/x
  3. Step 3: Cross multiply
    5,180,467,852.92x = 7,149,067,176.18 × 2,801,605,790.16
  4. Step 4: Simplify right side
    5,180,467,852.92x = 20,028,867,995,028,688,896
  5. Step 5: Solve for x
    x = 20,028,867,995,028,688,896/5,180,467,852.92
  6. Step 6: Final answer
    x = 3,866,227,638.83

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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.