Home / 664,707,376.80-917,299,028.83-363,298,758.14

Finding the Fourth Proportional to 664,707,376.80, 917,299,028.83 and 363,298,758.14

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Solution

The fourth proportional to 664,707,376.80, 917,299,028.83 and 363,298,758.14 is: 501,353,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,707,376.80 : 917,299,028.83 = 363,298,758.14 : x
  2. Step 2: Convert to fraction form
    664,707,376.80/917,299,028.83 = 363,298,758.14/x
  3. Step 3: Cross multiply
    664,707,376.80x = 917,299,028.83 × 363,298,758.14
  4. Step 4: Simplify right side
    664,707,376.80x = 333,253,598,016,967,040
  5. Step 5: Solve for x
    x = 333,253,598,016,967,040/664,707,376.80
  6. Step 6: Final answer
    x = 501,353,843.28

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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.