Home / 3,974,162,423.76-5,484,380,414.34-2,190,079,889.52

Finding the Fourth Proportional to 3,974,162,423.76, 5,484,380,414.34 and 2,190,079,889.52

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Solution

The fourth proportional to 3,974,162,423.76, 5,484,380,414.34 and 2,190,079,889.52 is: 3,022,330,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,162,423.76 : 5,484,380,414.34 = 2,190,079,889.52 : x
  2. Step 2: Convert to fraction form
    3,974,162,423.76/5,484,380,414.34 = 2,190,079,889.52/x
  3. Step 3: Cross multiply
    3,974,162,423.76x = 5,484,380,414.34 × 2,190,079,889.52
  4. Step 4: Simplify right side
    3,974,162,423.76x = 12,011,231,251,923,398,656
  5. Step 5: Solve for x
    x = 12,011,231,251,923,398,656/3,974,162,423.76
  6. Step 6: Final answer
    x = 3,022,330,234.95

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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.