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Finding the Fourth Proportional to 568,984,706.80, 853,051,907.40 and 310,491,804.40

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Solution

The fourth proportional to 568,984,706.80, 853,051,907.40 and 310,491,804.40 is: 465,505,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,984,706.80 : 853,051,907.40 = 310,491,804.40 : x
  2. Step 2: Convert to fraction form
    568,984,706.80/853,051,907.40 = 310,491,804.40/x
  3. Step 3: Cross multiply
    568,984,706.80x = 853,051,907.40 × 310,491,804.40
  4. Step 4: Simplify right side
    568,984,706.80x = 264,865,625,975,487,680
  5. Step 5: Solve for x
    x = 264,865,625,975,487,680/568,984,706.80
  6. Step 6: Final answer
    x = 465,505,703.07

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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.