Home / 5,180,467,856.42-7,149,067,181.01-2,801,605,793.66

Finding the Fourth Proportional to 5,180,467,856.42, 7,149,067,181.01 and 2,801,605,793.66

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Solution

The fourth proportional to 5,180,467,856.42, 7,149,067,181.01 and 2,801,605,793.66 is: 3,866,227,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,467,856.42 : 7,149,067,181.01 = 2,801,605,793.66 : x
  2. Step 2: Convert to fraction form
    5,180,467,856.42/7,149,067,181.01 = 2,801,605,793.66/x
  3. Step 3: Cross multiply
    5,180,467,856.42x = 7,149,067,181.01 × 2,801,605,793.66
  4. Step 4: Simplify right side
    5,180,467,856.42x = 20,028,868,033,582,178,304
  5. Step 5: Solve for x
    x = 20,028,868,033,582,178,304/5,180,467,856.42
  6. Step 6: Final answer
    x = 3,866,227,643.66

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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.