Home / 2,188,137,979.20-3,279,420,050.40-894,211,579.20

Finding the Fourth Proportional to 2,188,137,979.20, 3,279,420,050.40 and 894,211,579.20

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Solution

The fourth proportional to 2,188,137,979.20, 3,279,420,050.40 and 894,211,579.20 is: 1,340,178,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,137,979.20 : 3,279,420,050.40 = 894,211,579.20 : x
  2. Step 2: Convert to fraction form
    2,188,137,979.20/3,279,420,050.40 = 894,211,579.20/x
  3. Step 3: Cross multiply
    2,188,137,979.20x = 3,279,420,050.40 × 894,211,579.20
  4. Step 4: Simplify right side
    2,188,137,979.20x = 2,932,495,382,128,327,680
  5. Step 5: Solve for x
    x = 2,932,495,382,128,327,680/2,188,137,979.20
  6. Step 6: Final answer
    x = 1,340,178,457.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.