Home / 393,277,310,052.22-542,716,912,022.20-219,664,983,143.92

Finding the Fourth Proportional to 393,277,310,052.22, 542,716,912,022.20 and 219,664,983,143.92

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Solution

The fourth proportional to 393,277,310,052.22, 542,716,912,022.20 and 219,664,983,143.92 is: 303,134,450,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,277,310,052.22 : 542,716,912,022.20 = 219,664,983,143.92 : x
  2. Step 2: Convert to fraction form
    393,277,310,052.22/542,716,912,022.20 = 219,664,983,143.92/x
  3. Step 3: Cross multiply
    393,277,310,052.22x = 542,716,912,022.20 × 219,664,983,143.92
  4. Step 4: Simplify right side
    393,277,310,052.22x = 119,215,901,331,276,884,344,832
  5. Step 5: Solve for x
    x = 119,215,901,331,276,884,344,832/393,277,310,052.22
  6. Step 6: Final answer
    x = 303,134,450,638.53

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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.