Home / 3,965,219,629.45-5,472,404,446.83-2,271,898,883.47

Finding the Fourth Proportional to 3,965,219,629.45, 5,472,404,446.83 and 2,271,898,883.47

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Solution

The fourth proportional to 3,965,219,629.45, 5,472,404,446.83 and 2,271,898,883.47 is: 3,135,450,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,219,629.45 : 5,472,404,446.83 = 2,271,898,883.47 : x
  2. Step 2: Convert to fraction form
    3,965,219,629.45/5,472,404,446.83 = 2,271,898,883.47/x
  3. Step 3: Cross multiply
    3,965,219,629.45x = 5,472,404,446.83 × 2,271,898,883.47
  4. Step 4: Simplify right side
    3,965,219,629.45x = 12,432,749,552,649,338,880
  5. Step 5: Solve for x
    x = 12,432,749,552,649,338,880/3,965,219,629.45
  6. Step 6: Final answer
    x = 3,135,450,420.02

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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.