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Finding the Fourth Proportional to 949,968,369.10, 1,422,685,072.03 and 949,968,369.10

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Solution

The fourth proportional to 949,968,369.10, 1,422,685,072.03 and 949,968,369.10 is: 1,422,685,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,968,369.10 : 1,422,685,072.03 = 949,968,369.10 : x
  2. Step 2: Convert to fraction form
    949,968,369.10/1,422,685,072.03 = 949,968,369.10/x
  3. Step 3: Cross multiply
    949,968,369.10x = 1,422,685,072.03 × 949,968,369.10
  4. Step 4: Simplify right side
    949,968,369.10x = 1,351,505,817,619,255,040
  5. Step 5: Solve for x
    x = 1,351,505,817,619,255,040/949,968,369.10
  6. Step 6: Final answer
    x = 1,422,685,072.03

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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.