Home / 393,672,173.52-543,284,092.98-226,408,548.36

Finding the Fourth Proportional to 393,672,173.52, 543,284,092.98 and 226,408,548.36

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Solution

The fourth proportional to 393,672,173.52, 543,284,092.98 and 226,408,548.36 is: 312,453,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,672,173.52 : 543,284,092.98 = 226,408,548.36 : x
  2. Step 2: Convert to fraction form
    393,672,173.52/543,284,092.98 = 226,408,548.36/x
  3. Step 3: Cross multiply
    393,672,173.52x = 543,284,092.98 × 226,408,548.36
  4. Step 4: Simplify right side
    393,672,173.52x = 123,004,162,838,681,072
  5. Step 5: Solve for x
    x = 123,004,162,838,681,072/393,672,173.52
  6. Step 6: Final answer
    x = 312,453,282.48

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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.