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Finding the Fourth Proportional to 629,907,884.40, 944,735,855.40 and 302,382,764.40

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Solution

The fourth proportional to 629,907,884.40, 944,735,855.40 and 302,382,764.40 is: 453,513,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,907,884.40 : 944,735,855.40 = 302,382,764.40 : x
  2. Step 2: Convert to fraction form
    629,907,884.40/944,735,855.40 = 302,382,764.40/x
  3. Step 3: Cross multiply
    629,907,884.40x = 944,735,855.40 × 302,382,764.40
  4. Step 4: Simplify right side
    629,907,884.40x = 285,671,839,583,650,624
  5. Step 5: Solve for x
    x = 285,671,839,583,650,624/629,907,884.40
  6. Step 6: Final answer
    x = 453,513,675.03

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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.