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Finding the Fourth Proportional to 629,857,416.60, 944,786,124.90 and 606,899,165.40

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Solution

The fourth proportional to 629,857,416.60, 944,786,124.90 and 606,899,165.40 is: 910,348,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,416.60 : 944,786,124.90 = 606,899,165.40 : x
  2. Step 2: Convert to fraction form
    629,857,416.60/944,786,124.90 = 606,899,165.40/x
  3. Step 3: Cross multiply
    629,857,416.60x = 944,786,124.90 × 606,899,165.40
  4. Step 4: Simplify right side
    629,857,416.60x = 573,389,910,683,310,144
  5. Step 5: Solve for x
    x = 573,389,910,683,310,144/629,857,416.60
  6. Step 6: Final answer
    x = 910,348,748.10

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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.