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Finding the Fourth Proportional to 629,857,544.40, 944,786,316.60 and 580,114,666.80

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Solution

The fourth proportional to 629,857,544.40, 944,786,316.60 and 580,114,666.80 is: 870,172,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,544.40 : 944,786,316.60 = 580,114,666.80 : x
  2. Step 2: Convert to fraction form
    629,857,544.40/944,786,316.60 = 580,114,666.80/x
  3. Step 3: Cross multiply
    629,857,544.40x = 944,786,316.60 × 580,114,666.80
  4. Step 4: Simplify right side
    629,857,544.40x = 548,084,399,251,608,256
  5. Step 5: Solve for x
    x = 548,084,399,251,608,256/629,857,544.40
  6. Step 6: Final answer
    x = 870,172,000.20

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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.