Home / 331,191,467.40-496,787,201.10-324,814,175.40

Finding the Fourth Proportional to 331,191,467.40, 496,787,201.10 and 324,814,175.40

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Solution

The fourth proportional to 331,191,467.40, 496,787,201.10 and 324,814,175.40 is: 487,221,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,191,467.40 : 496,787,201.10 = 324,814,175.40 : x
  2. Step 2: Convert to fraction form
    331,191,467.40/496,787,201.10 = 324,814,175.40/x
  3. Step 3: Cross multiply
    331,191,467.40x = 496,787,201.10 × 324,814,175.40
  4. Step 4: Simplify right side
    331,191,467.40x = 161,363,525,074,570,464
  5. Step 5: Solve for x
    x = 161,363,525,074,570,464/331,191,467.40
  6. Step 6: Final answer
    x = 487,221,263.10

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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.