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Finding the Fourth Proportional to 536,868,243.44, 740,866,563.64 and 310,816,759.87

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Solution

The fourth proportional to 536,868,243.44, 740,866,563.64 and 310,816,759.87 is: 428,920,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,868,243.44 : 740,866,563.64 = 310,816,759.87 : x
  2. Step 2: Convert to fraction form
    536,868,243.44/740,866,563.64 = 310,816,759.87/x
  3. Step 3: Cross multiply
    536,868,243.44x = 740,866,563.64 × 310,816,759.87
  4. Step 4: Simplify right side
    536,868,243.44x = 230,273,744,805,540,800
  5. Step 5: Solve for x
    x = 230,273,744,805,540,800/536,868,243.44
  6. Step 6: Final answer
    x = 428,920,405.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.