Home / 331,375,221.36-497,062,807.20-314,805,334.32

Finding the Fourth Proportional to 331,375,221.36, 497,062,807.20 and 314,805,334.32

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Solution

The fourth proportional to 331,375,221.36, 497,062,807.20 and 314,805,334.32 is: 472,207,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,375,221.36 : 497,062,807.20 = 314,805,334.32 : x
  2. Step 2: Convert to fraction form
    331,375,221.36/497,062,807.20 = 314,805,334.32/x
  3. Step 3: Cross multiply
    331,375,221.36x = 497,062,807.20 × 314,805,334.32
  4. Step 4: Simplify right side
    331,375,221.36x = 156,478,023,198,633,696
  5. Step 5: Solve for x
    x = 156,478,023,198,633,696/331,375,221.36
  6. Step 6: Final answer
    x = 472,207,977.88

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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.