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Finding the Fourth Proportional to 18,575,891,996.40, 26,079,715,198.80 and 18,575,891,996.40

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Solution

The fourth proportional to 18,575,891,996.40, 26,079,715,198.80 and 18,575,891,996.40 is: 26,079,715,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,891,996.40 : 26,079,715,198.80 = 18,575,891,996.40 : x
  2. Step 2: Convert to fraction form
    18,575,891,996.40/26,079,715,198.80 = 18,575,891,996.40/x
  3. Step 3: Cross multiply
    18,575,891,996.40x = 26,079,715,198.80 × 18,575,891,996.40
  4. Step 4: Simplify right side
    18,575,891,996.40x = 484,453,972,829,780,377,600
  5. Step 5: Solve for x
    x = 484,453,972,829,780,377,600/18,575,891,996.40
  6. Step 6: Final answer
    x = 26,079,715,198.80

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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.