Home / 505,954,230.36-698,218,712.81-294,311,843.38

Finding the Fourth Proportional to 505,954,230.36, 698,218,712.81 and 294,311,843.38

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Solution

The fourth proportional to 505,954,230.36, 698,218,712.81 and 294,311,843.38 is: 406,151,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,954,230.36 : 698,218,712.81 = 294,311,843.38 : x
  2. Step 2: Convert to fraction form
    505,954,230.36/698,218,712.81 = 294,311,843.38/x
  3. Step 3: Cross multiply
    505,954,230.36x = 698,218,712.81 × 294,311,843.38
  4. Step 4: Simplify right side
    505,954,230.36x = 205,494,036,450,026,816
  5. Step 5: Solve for x
    x = 205,494,036,450,026,816/505,954,230.36
  6. Step 6: Final answer
    x = 406,151,434.50

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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.