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Finding the Fourth Proportional to 7,422,486,721.30, 11,133,730,081.96 and 7,422,486,721.30

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Solution

The fourth proportional to 7,422,486,721.30, 11,133,730,081.96 and 7,422,486,721.30 is: 11,133,730,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,486,721.30 : 11,133,730,081.96 = 7,422,486,721.30 : x
  2. Step 2: Convert to fraction form
    7,422,486,721.30/11,133,730,081.96 = 7,422,486,721.30/x
  3. Step 3: Cross multiply
    7,422,486,721.30x = 11,133,730,081.96 × 7,422,486,721.30
  4. Step 4: Simplify right side
    7,422,486,721.30x = 82,639,963,691,886,460,928
  5. Step 5: Solve for x
    x = 82,639,963,691,886,460,928/7,422,486,721.30
  6. Step 6: Final answer
    x = 11,133,730,081.96

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Double scale
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Similar ratio
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1.5x scale

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.