Home / 522,252,321.10-720,714,184.32-299,229,533.62

Finding the Fourth Proportional to 522,252,321.10, 720,714,184.32 and 299,229,533.62

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Solution

The fourth proportional to 522,252,321.10, 720,714,184.32 and 299,229,533.62 is: 412,940,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,252,321.10 : 720,714,184.32 = 299,229,533.62 : x
  2. Step 2: Convert to fraction form
    522,252,321.10/720,714,184.32 = 299,229,533.62/x
  3. Step 3: Cross multiply
    522,252,321.10x = 720,714,184.32 × 299,229,533.62
  4. Step 4: Simplify right side
    522,252,321.10x = 215,658,969,247,392,320
  5. Step 5: Solve for x
    x = 215,658,969,247,392,320/522,252,321.10
  6. Step 6: Final answer
    x = 412,940,183.38

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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.