Home / 665,196,469.62-917,977,067.92-367,858,831.38

Finding the Fourth Proportional to 665,196,469.62, 917,977,067.92 and 367,858,831.38

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Solution

The fourth proportional to 665,196,469.62, 917,977,067.92 and 367,858,831.38 is: 507,648,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,196,469.62 : 917,977,067.92 = 367,858,831.38 : x
  2. Step 2: Convert to fraction form
    665,196,469.62/917,977,067.92 = 367,858,831.38/x
  3. Step 3: Cross multiply
    665,196,469.62x = 917,977,067.92 × 367,858,831.38
  4. Step 4: Simplify right side
    665,196,469.62x = 337,685,971,438,690,048
  5. Step 5: Solve for x
    x = 337,685,971,438,690,048/665,196,469.62
  6. Step 6: Final answer
    x = 507,648,472.08

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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.