Home / 1,111,526,172.08-1,667,125,255.85-324,368,472.56

Finding the Fourth Proportional to 1,111,526,172.08, 1,667,125,255.85 and 324,368,472.56

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Solution

The fourth proportional to 1,111,526,172.08, 1,667,125,255.85 and 324,368,472.56 is: 486,504,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,526,172.08 : 1,667,125,255.85 = 324,368,472.56 : x
  2. Step 2: Convert to fraction form
    1,111,526,172.08/1,667,125,255.85 = 324,368,472.56/x
  3. Step 3: Cross multiply
    1,111,526,172.08x = 1,667,125,255.85 × 324,368,472.56
  4. Step 4: Simplify right side
    1,111,526,172.08x = 540,762,872,796,306,240
  5. Step 5: Solve for x
    x = 540,762,872,796,306,240/1,111,526,172.08
  6. Step 6: Final answer
    x = 486,504,849.26

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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.