Home / 394,429,151.92-544,322,338.32-237,806,301.28

Finding the Fourth Proportional to 394,429,151.92, 544,322,338.32 and 237,806,301.28

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Solution

The fourth proportional to 394,429,151.92, 544,322,338.32 and 237,806,301.28 is: 328,178,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,429,151.92 : 544,322,338.32 = 237,806,301.28 : x
  2. Step 2: Convert to fraction form
    394,429,151.92/544,322,338.32 = 237,806,301.28/x
  3. Step 3: Cross multiply
    394,429,151.92x = 544,322,338.32 × 237,806,301.28
  4. Step 4: Simplify right side
    394,429,151.92x = 129,443,281,979,960,016
  5. Step 5: Solve for x
    x = 129,443,281,979,960,016/394,429,151.92
  6. Step 6: Final answer
    x = 328,178,790.41

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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.