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Finding the Fourth Proportional to 629,857,145.70, 943,085,107.35 and 629,857,145.70

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Solution

The fourth proportional to 629,857,145.70, 943,085,107.35 and 629,857,145.70 is: 943,085,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,145.70 : 943,085,107.35 = 629,857,145.70 : x
  2. Step 2: Convert to fraction form
    629,857,145.70/943,085,107.35 = 629,857,145.70/x
  3. Step 3: Cross multiply
    629,857,145.70x = 943,085,107.35 × 629,857,145.70
  4. Step 4: Simplify right side
    629,857,145.70x = 594,008,893,867,649,152
  5. Step 5: Solve for x
    x = 594,008,893,867,649,152/629,857,145.70
  6. Step 6: Final answer
    x = 943,085,107.35

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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.