Home / 413,021,339.94-569,948,947.29-227,378,369.82

Finding the Fourth Proportional to 413,021,339.94, 569,948,947.29 and 227,378,369.82

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Solution

The fourth proportional to 413,021,339.94, 569,948,947.29 and 227,378,369.82 is: 313,770,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,021,339.94 : 569,948,947.29 = 227,378,369.82 : x
  2. Step 2: Convert to fraction form
    413,021,339.94/569,948,947.29 = 227,378,369.82/x
  3. Step 3: Cross multiply
    413,021,339.94x = 569,948,947.29 × 227,378,369.82
  4. Step 4: Simplify right side
    413,021,339.94x = 129,594,062,515,425,296
  5. Step 5: Solve for x
    x = 129,594,062,515,425,296/413,021,339.94
  6. Step 6: Final answer
    x = 313,770,863.59

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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.