Home / 2,978,216,007.60-4,467,324,011.40-1,979,532,080.40

Finding the Fourth Proportional to 2,978,216,007.60, 4,467,324,011.40 and 1,979,532,080.40

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Solution

The fourth proportional to 2,978,216,007.60, 4,467,324,011.40 and 1,979,532,080.40 is: 2,969,298,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,216,007.60 : 4,467,324,011.40 = 1,979,532,080.40 : x
  2. Step 2: Convert to fraction form
    2,978,216,007.60/4,467,324,011.40 = 1,979,532,080.40/x
  3. Step 3: Cross multiply
    2,978,216,007.60x = 4,467,324,011.40 × 1,979,532,080.40
  4. Step 4: Simplify right side
    2,978,216,007.60x = 8,843,211,194,107,514,880
  5. Step 5: Solve for x
    x = 8,843,211,194,107,514,880/2,978,216,007.60
  6. Step 6: Final answer
    x = 2,969,298,120.60

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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.