Home / 291,071,010.80-436,606,516.20-239,414,945.60

Finding the Fourth Proportional to 291,071,010.80, 436,606,516.20 and 239,414,945.60

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Solution

The fourth proportional to 291,071,010.80, 436,606,516.20 and 239,414,945.60 is: 359,122,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,071,010.80 : 436,606,516.20 = 239,414,945.60 : x
  2. Step 2: Convert to fraction form
    291,071,010.80/436,606,516.20 = 239,414,945.60/x
  3. Step 3: Cross multiply
    291,071,010.80x = 436,606,516.20 × 239,414,945.60
  4. Step 4: Simplify right side
    291,071,010.80x = 104,530,125,324,628,512
  5. Step 5: Solve for x
    x = 104,530,125,324,628,512/291,071,010.80
  6. Step 6: Final answer
    x = 359,122,418.40

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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.