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Finding the Fourth Proportional to 13,545,792,034.65, 20,318,688,051.98 and 13,545,792,034.65

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Solution

The fourth proportional to 13,545,792,034.65, 20,318,688,051.98 and 13,545,792,034.65 is: 20,318,688,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,792,034.65 : 20,318,688,051.98 = 13,545,792,034.65 : x
  2. Step 2: Convert to fraction form
    13,545,792,034.65/20,318,688,051.98 = 13,545,792,034.65/x
  3. Step 3: Cross multiply
    13,545,792,034.65x = 20,318,688,051.98 × 13,545,792,034.65
  4. Step 4: Simplify right side
    13,545,792,034.65x = 275,232,722,768,981,065,728
  5. Step 5: Solve for x
    x = 275,232,722,768,981,065,728/13,545,792,034.65
  6. Step 6: Final answer
    x = 20,318,688,051.98

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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.