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Finding the Fourth Proportional to 57,946,987,387.80, 86,920,481,081.70 and 57,946,987,387.80

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Solution

The fourth proportional to 57,946,987,387.80, 86,920,481,081.70 and 57,946,987,387.80 is: 86,920,481,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,946,987,387.80 : 86,920,481,081.70 = 57,946,987,387.80 : x
  2. Step 2: Convert to fraction form
    57,946,987,387.80/86,920,481,081.70 = 57,946,987,387.80/x
  3. Step 3: Cross multiply
    57,946,987,387.80x = 86,920,481,081.70 × 57,946,987,387.80
  4. Step 4: Simplify right side
    57,946,987,387.80x = 5,036,780,020,982,778,691,584
  5. Step 5: Solve for x
    x = 5,036,780,020,982,778,691,584/57,946,987,387.80
  6. Step 6: Final answer
    x = 86,920,481,081.70

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Double scale
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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.