Home / 512,351,993,221.64-768,373,260,785.32-154,108,866,665.20

Finding the Fourth Proportional to 512,351,993,221.64, 768,373,260,785.32 and 154,108,866,665.20

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Solution

The fourth proportional to 512,351,993,221.64, 768,373,260,785.32 and 154,108,866,665.20 is: 231,116,759,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,351,993,221.64 : 768,373,260,785.32 = 154,108,866,665.20 : x
  2. Step 2: Convert to fraction form
    512,351,993,221.64/768,373,260,785.32 = 154,108,866,665.20/x
  3. Step 3: Cross multiply
    512,351,993,221.64x = 768,373,260,785.32 × 154,108,866,665.20
  4. Step 4: Simplify right side
    512,351,993,221.64x = 118,413,132,395,469,827,211,264
  5. Step 5: Solve for x
    x = 118,413,132,395,469,827,211,264/512,351,993,221.64
  6. Step 6: Final answer
    x = 231,116,759,497.50

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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.