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Finding the Fourth Proportional to 629,857,329.40, 882,707,253.80 and 629,857,329.40

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Solution

The fourth proportional to 629,857,329.40, 882,707,253.80 and 629,857,329.40 is: 882,707,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,329.40 : 882,707,253.80 = 629,857,329.40 : x
  2. Step 2: Convert to fraction form
    629,857,329.40/882,707,253.80 = 629,857,329.40/x
  3. Step 3: Cross multiply
    629,857,329.40x = 882,707,253.80 × 629,857,329.40
  4. Step 4: Simplify right side
    629,857,329.40x = 555,979,633,520,475,968
  5. Step 5: Solve for x
    x = 555,979,633,520,475,968/629,857,329.40
  6. Step 6: Final answer
    x = 882,707,253.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.