Home / 378,330,084.72-522,131,454.14-237,223,641.87

Finding the Fourth Proportional to 378,330,084.72, 522,131,454.14 and 237,223,641.87

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Solution

The fourth proportional to 378,330,084.72, 522,131,454.14 and 237,223,641.87 is: 327,391,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,330,084.72 : 522,131,454.14 = 237,223,641.87 : x
  2. Step 2: Convert to fraction form
    378,330,084.72/522,131,454.14 = 237,223,641.87/x
  3. Step 3: Cross multiply
    378,330,084.72x = 522,131,454.14 × 237,223,641.87
  4. Step 4: Simplify right side
    378,330,084.72x = 123,861,925,084,783,568
  5. Step 5: Solve for x
    x = 123,861,925,084,783,568/378,330,084.72
  6. Step 6: Final answer
    x = 327,391,159.43

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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.