Home / 505,123,276.96-697,072,221.60-273,336,268.96

Finding the Fourth Proportional to 505,123,276.96, 697,072,221.60 and 273,336,268.96

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Solution

The fourth proportional to 505,123,276.96, 697,072,221.60 and 273,336,268.96 is: 377,205,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,123,276.96 : 697,072,221.60 = 273,336,268.96 : x
  2. Step 2: Convert to fraction form
    505,123,276.96/697,072,221.60 = 273,336,268.96/x
  3. Step 3: Cross multiply
    505,123,276.96x = 697,072,221.60 × 273,336,268.96
  4. Step 4: Simplify right side
    505,123,276.96x = 190,535,120,247,802,304
  5. Step 5: Solve for x
    x = 190,535,120,247,802,304/505,123,276.96
  6. Step 6: Final answer
    x = 377,205,187.21

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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.