Home / 310,682,859.34-428,903,542.76-226,956,976.06

Finding the Fourth Proportional to 310,682,859.34, 428,903,542.76 and 226,956,976.06

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Solution

The fourth proportional to 310,682,859.34, 428,903,542.76 and 226,956,976.06 is: 313,318,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,682,859.34 : 428,903,542.76 = 226,956,976.06 : x
  2. Step 2: Convert to fraction form
    310,682,859.34/428,903,542.76 = 226,956,976.06/x
  3. Step 3: Cross multiply
    310,682,859.34x = 428,903,542.76 × 226,956,976.06
  4. Step 4: Simplify right side
    310,682,859.34x = 97,342,651,086,230,512
  5. Step 5: Solve for x
    x = 97,342,651,086,230,512/310,682,859.34
  6. Step 6: Final answer
    x = 313,318,382.91

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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.