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Finding the Fourth Proportional to 18,032,547,768.80, 25,193,969,072.80 and 18,032,547,768.80

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Solution

The fourth proportional to 18,032,547,768.80, 25,193,969,072.80 and 18,032,547,768.80 is: 25,193,969,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032,547,768.80 : 25,193,969,072.80 = 18,032,547,768.80 : x
  2. Step 2: Convert to fraction form
    18,032,547,768.80/25,193,969,072.80 = 18,032,547,768.80/x
  3. Step 3: Cross multiply
    18,032,547,768.80x = 25,193,969,072.80 × 18,032,547,768.80
  4. Step 4: Simplify right side
    18,032,547,768.80x = 454,311,450,790,935,789,568
  5. Step 5: Solve for x
    x = 454,311,450,790,935,789,568/18,032,547,768.80
  6. Step 6: Final answer
    x = 25,193,969,072.80

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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.