Home / 629,472,334.53-868,672,658.43-347,208,445.29

Finding the Fourth Proportional to 629,472,334.53, 868,672,658.43 and 347,208,445.29

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Solution

The fourth proportional to 629,472,334.53, 868,672,658.43 and 347,208,445.29 is: 479,148,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,472,334.53 : 868,672,658.43 = 347,208,445.29 : x
  2. Step 2: Convert to fraction form
    629,472,334.53/868,672,658.43 = 347,208,445.29/x
  3. Step 3: Cross multiply
    629,472,334.53x = 868,672,658.43 × 347,208,445.29
  4. Step 4: Simplify right side
    629,472,334.53x = 301,610,483,199,411,520
  5. Step 5: Solve for x
    x = 301,610,483,199,411,520/629,472,334.53
  6. Step 6: Final answer
    x = 479,148,116.06

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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.