Home / 505,505,512.60-758,258,268.90-413,672,507.80

Finding the Fourth Proportional to 505,505,512.60, 758,258,268.90 and 413,672,507.80

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Solution

The fourth proportional to 505,505,512.60, 758,258,268.90 and 413,672,507.80 is: 620,508,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,505,512.60 : 758,258,268.90 = 413,672,507.80 : x
  2. Step 2: Convert to fraction form
    505,505,512.60/758,258,268.90 = 413,672,507.80/x
  3. Step 3: Cross multiply
    505,505,512.60x = 758,258,268.90 × 413,672,507.80
  4. Step 4: Simplify right side
    505,505,512.60x = 313,670,599,655,949,760
  5. Step 5: Solve for x
    x = 313,670,599,655,949,760/505,505,512.60
  6. Step 6: Final answer
    x = 620,508,761.70

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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.