Home / 629,857,376.40-944,786,064.60-220,954,861.20

Finding the Fourth Proportional to 629,857,376.40, 944,786,064.60 and 220,954,861.20

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Solution

The fourth proportional to 629,857,376.40, 944,786,064.60 and 220,954,861.20 is: 331,432,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,376.40 : 944,786,064.60 = 220,954,861.20 : x
  2. Step 2: Convert to fraction form
    629,857,376.40/944,786,064.60 = 220,954,861.20/x
  3. Step 3: Cross multiply
    629,857,376.40x = 944,786,064.60 × 220,954,861.20
  4. Step 4: Simplify right side
    629,857,376.40x = 208,755,073,767,387,232
  5. Step 5: Solve for x
    x = 208,755,073,767,387,232/629,857,376.40
  6. Step 6: Final answer
    x = 331,432,291.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.