Home / 1,776,263,826.28-2,451,273,112.74-972,477,921.64

Finding the Fourth Proportional to 1,776,263,826.28, 2,451,273,112.74 and 972,477,921.64

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Solution

The fourth proportional to 1,776,263,826.28, 2,451,273,112.74 and 972,477,921.64 is: 1,342,035,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,263,826.28 : 2,451,273,112.74 = 972,477,921.64 : x
  2. Step 2: Convert to fraction form
    1,776,263,826.28/2,451,273,112.74 = 972,477,921.64/x
  3. Step 3: Cross multiply
    1,776,263,826.28x = 2,451,273,112.74 × 972,477,921.64
  4. Step 4: Simplify right side
    1,776,263,826.28x = 2,383,808,982,049,408,512
  5. Step 5: Solve for x
    x = 2,383,808,982,049,408,512/1,776,263,826.28
  6. Step 6: Final answer
    x = 1,342,035,426.71

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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.