Home / 664,676,349.72-996,123,326.19-517,301,867.37

Finding the Fourth Proportional to 664,676,349.72, 996,123,326.19 and 517,301,867.37

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Solution

The fourth proportional to 664,676,349.72, 996,123,326.19 and 517,301,867.37 is: 775,259,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,676,349.72 : 996,123,326.19 = 517,301,867.37 : x
  2. Step 2: Convert to fraction form
    664,676,349.72/996,123,326.19 = 517,301,867.37/x
  3. Step 3: Cross multiply
    664,676,349.72x = 996,123,326.19 × 517,301,867.37
  4. Step 4: Simplify right side
    664,676,349.72x = 515,296,456,768,902,656
  5. Step 5: Solve for x
    x = 515,296,456,768,902,656/664,676,349.72
  6. Step 6: Final answer
    x = 775,259,202.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.