Home / 629,472,327.53-868,672,648.77-347,208,438.29

Finding the Fourth Proportional to 629,472,327.53, 868,672,648.77 and 347,208,438.29

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Solution

The fourth proportional to 629,472,327.53, 868,672,648.77 and 347,208,438.29 is: 479,148,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,472,327.53 : 868,672,648.77 = 347,208,438.29 : x
  2. Step 2: Convert to fraction form
    629,472,327.53/868,672,648.77 = 347,208,438.29/x
  3. Step 3: Cross multiply
    629,472,327.53x = 868,672,648.77 × 347,208,438.29
  4. Step 4: Simplify right side
    629,472,327.53x = 301,610,473,764,669,376
  5. Step 5: Solve for x
    x = 301,610,473,764,669,376/629,472,327.53
  6. Step 6: Final answer
    x = 479,148,106.40

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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.