Home / 629,472,329.54-868,672,651.54-347,208,440.30

Finding the Fourth Proportional to 629,472,329.54, 868,672,651.54 and 347,208,440.30

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Solution

The fourth proportional to 629,472,329.54, 868,672,651.54 and 347,208,440.30 is: 479,148,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,472,329.54 : 868,672,651.54 = 347,208,440.30 : x
  2. Step 2: Convert to fraction form
    629,472,329.54/868,672,651.54 = 347,208,440.30/x
  3. Step 3: Cross multiply
    629,472,329.54x = 868,672,651.54 × 347,208,440.30
  4. Step 4: Simplify right side
    629,472,329.54x = 301,610,476,472,468,800
  5. Step 5: Solve for x
    x = 301,610,476,472,468,800/629,472,329.54
  6. Step 6: Final answer
    x = 479,148,109.17

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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.