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Finding the Fourth Proportional to 3,803,769,655.20, 5,314,393,605.60 and 3,803,769,655.20

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Solution

The fourth proportional to 3,803,769,655.20, 5,314,393,605.60 and 3,803,769,655.20 is: 5,314,393,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,769,655.20 : 5,314,393,605.60 = 3,803,769,655.20 : x
  2. Step 2: Convert to fraction form
    3,803,769,655.20/5,314,393,605.60 = 3,803,769,655.20/x
  3. Step 3: Cross multiply
    3,803,769,655.20x = 5,314,393,605.60 × 3,803,769,655.20
  4. Step 4: Simplify right side
    3,803,769,655.20x = 20,214,729,132,770,197,504
  5. Step 5: Solve for x
    x = 20,214,729,132,770,197,504/3,803,769,655.20
  6. Step 6: Final answer
    x = 5,314,393,605.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.