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Finding the Fourth Proportional to 629,857,703.20, 944,786,554.80 and 583,941,200.80

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Solution

The fourth proportional to 629,857,703.20, 944,786,554.80 and 583,941,200.80 is: 875,911,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,703.20 : 944,786,554.80 = 583,941,200.80 : x
  2. Step 2: Convert to fraction form
    629,857,703.20/944,786,554.80 = 583,941,200.80/x
  3. Step 3: Cross multiply
    629,857,703.20x = 944,786,554.80 × 583,941,200.80
  4. Step 4: Simplify right side
    629,857,703.20x = 551,699,795,309,606,912
  5. Step 5: Solve for x
    x = 551,699,795,309,606,912/629,857,703.20
  6. Step 6: Final answer
    x = 875,911,801.20

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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.