Home / 629,613,945.76-868,868,404.48-351,173,416.32

Finding the Fourth Proportional to 629,613,945.76, 868,868,404.48 and 351,173,416.32

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Solution

The fourth proportional to 629,613,945.76, 868,868,404.48 and 351,173,416.32 is: 484,619,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,613,945.76 : 868,868,404.48 = 351,173,416.32 : x
  2. Step 2: Convert to fraction form
    629,613,945.76/868,868,404.48 = 351,173,416.32/x
  3. Step 3: Cross multiply
    629,613,945.76x = 868,868,404.48 × 351,173,416.32
  4. Step 4: Simplify right side
    629,613,945.76x = 305,123,485,933,749,184
  5. Step 5: Solve for x
    x = 305,123,485,933,749,184/629,613,945.76
  6. Step 6: Final answer
    x = 484,619,961.15

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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.