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Finding the Fourth Proportional to 3,907,550,572.65, 5,485,082,683.95 and 3,907,550,572.65

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Solution

The fourth proportional to 3,907,550,572.65, 5,485,082,683.95 and 3,907,550,572.65 is: 5,485,082,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,550,572.65 : 5,485,082,683.95 = 3,907,550,572.65 : x
  2. Step 2: Convert to fraction form
    3,907,550,572.65/5,485,082,683.95 = 3,907,550,572.65/x
  3. Step 3: Cross multiply
    3,907,550,572.65x = 5,485,082,683.95 × 3,907,550,572.65
  4. Step 4: Simplify right side
    3,907,550,572.65x = 21,433,237,982,701,420,544
  5. Step 5: Solve for x
    x = 21,433,237,982,701,420,544/3,907,550,572.65
  6. Step 6: Final answer
    x = 5,485,082,683.95

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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.