Home / 771,479,552.44-1,157,216,179.38-280,191,872.44

Finding the Fourth Proportional to 771,479,552.44, 1,157,216,179.38 and 280,191,872.44

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Solution

The fourth proportional to 771,479,552.44, 1,157,216,179.38 and 280,191,872.44 is: 420,286,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,479,552.44 : 1,157,216,179.38 = 280,191,872.44 : x
  2. Step 2: Convert to fraction form
    771,479,552.44/1,157,216,179.38 = 280,191,872.44/x
  3. Step 3: Cross multiply
    771,479,552.44x = 1,157,216,179.38 × 280,191,872.44
  4. Step 4: Simplify right side
    771,479,552.44x = 324,242,568,118,345,152
  5. Step 5: Solve for x
    x = 324,242,568,118,345,152/771,479,552.44
  6. Step 6: Final answer
    x = 420,286,664.88

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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.