Home / 629,716,578-868,966,887.24-361,801,029.84

Finding the Fourth Proportional to 629,716,578, 868,966,887.24 and 361,801,029.84

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Solution

The fourth proportional to 629,716,578, 868,966,887.24 and 361,801,029.84 is: 499,261,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,716,578 : 868,966,887.24 = 361,801,029.84 : x
  2. Step 2: Convert to fraction form
    629,716,578/868,966,887.24 = 361,801,029.84/x
  3. Step 3: Cross multiply
    629,716,578x = 868,966,887.24 × 361,801,029.84
  4. Step 4: Simplify right side
    629,716,578x = 314,393,114,700,291,136
  5. Step 5: Solve for x
    x = 314,393,114,700,291,136/629,716,578
  6. Step 6: Final answer
    x = 499,261,295.77

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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.