Home / 664,707,375.80-917,299,027.45-363,298,757.14

Finding the Fourth Proportional to 664,707,375.80, 917,299,027.45 and 363,298,757.14

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Solution

The fourth proportional to 664,707,375.80, 917,299,027.45 and 363,298,757.14 is: 501,353,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,707,375.80 : 917,299,027.45 = 363,298,757.14 : x
  2. Step 2: Convert to fraction form
    664,707,375.80/917,299,027.45 = 363,298,757.14/x
  3. Step 3: Cross multiply
    664,707,375.80x = 917,299,027.45 × 363,298,757.14
  4. Step 4: Simplify right side
    664,707,375.80x = 333,253,596,599,907,520
  5. Step 5: Solve for x
    x = 333,253,596,599,907,520/664,707,375.80
  6. Step 6: Final answer
    x = 501,353,841.91

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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.