Home / 331,448,899.42-457,319,493.21-213,949,065.70

Finding the Fourth Proportional to 331,448,899.42, 457,319,493.21 and 213,949,065.70

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Solution

The fourth proportional to 331,448,899.42, 457,319,493.21 and 213,949,065.70 is: 295,198,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448,899.42 : 457,319,493.21 = 213,949,065.70 : x
  2. Step 2: Convert to fraction form
    331,448,899.42/457,319,493.21 = 213,949,065.70/x
  3. Step 3: Cross multiply
    331,448,899.42x = 457,319,493.21 × 213,949,065.70
  4. Step 4: Simplify right side
    331,448,899.42x = 97,843,078,298,676,976
  5. Step 5: Solve for x
    x = 97,843,078,298,676,976/331,448,899.42
  6. Step 6: Final answer
    x = 295,198,078.71

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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.