Home / 505,505,490.10-758,258,235.15-413,672,485.30

Finding the Fourth Proportional to 505,505,490.10, 758,258,235.15 and 413,672,485.30

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Solution

The fourth proportional to 505,505,490.10, 758,258,235.15 and 413,672,485.30 is: 620,508,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,505,490.10 : 758,258,235.15 = 413,672,485.30 : x
  2. Step 2: Convert to fraction form
    505,505,490.10/758,258,235.15 = 413,672,485.30/x
  3. Step 3: Cross multiply
    505,505,490.10x = 758,258,235.15 × 413,672,485.30
  4. Step 4: Simplify right side
    505,505,490.10x = 313,670,568,633,692,288
  5. Step 5: Solve for x
    x = 313,670,568,633,692,288/505,505,490.10
  6. Step 6: Final answer
    x = 620,508,727.95

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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.