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Finding the Fourth Proportional to 19,228,839,010.90, 28,843,258,516.35 and 19,228,839,010.90

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Solution

The fourth proportional to 19,228,839,010.90, 28,843,258,516.35 and 19,228,839,010.90 is: 28,843,258,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228,839,010.90 : 28,843,258,516.35 = 19,228,839,010.90 : x
  2. Step 2: Convert to fraction form
    19,228,839,010.90/28,843,258,516.35 = 19,228,839,010.90/x
  3. Step 3: Cross multiply
    19,228,839,010.90x = 28,843,258,516.35 × 19,228,839,010.90
  4. Step 4: Simplify right side
    19,228,839,010.90x = 554,622,374,560,664,518,656
  5. Step 5: Solve for x
    x = 554,622,374,560,664,518,656/19,228,839,010.90
  6. Step 6: Final answer
    x = 28,843,258,516.35

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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.