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Finding the Fourth Proportional to 3,787,132,479.80, 5,667,784,703.40 and 3,787,132,479.80

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Solution

The fourth proportional to 3,787,132,479.80, 5,667,784,703.40 and 3,787,132,479.80 is: 5,667,784,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,132,479.80 : 5,667,784,703.40 = 3,787,132,479.80 : x
  2. Step 2: Convert to fraction form
    3,787,132,479.80/5,667,784,703.40 = 3,787,132,479.80/x
  3. Step 3: Cross multiply
    3,787,132,479.80x = 5,667,784,703.40 × 3,787,132,479.80
  4. Step 4: Simplify right side
    3,787,132,479.80x = 21,464,651,538,759,749,632
  5. Step 5: Solve for x
    x = 21,464,651,538,759,749,632/3,787,132,479.80
  6. Step 6: Final answer
    x = 5,667,784,703.40

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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.