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Finding the Fourth Proportional to 26,391,058,857.90, 39,586,588,286.85 and 26,391,058,857.90

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Solution

The fourth proportional to 26,391,058,857.90, 39,586,588,286.85 and 26,391,058,857.90 is: 39,586,588,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391,058,857.90 : 39,586,588,286.85 = 26,391,058,857.90 : x
  2. Step 2: Convert to fraction form
    26,391,058,857.90/39,586,588,286.85 = 26,391,058,857.90/x
  3. Step 3: Cross multiply
    26,391,058,857.90x = 39,586,588,286.85 × 26,391,058,857.90
  4. Step 4: Simplify right side
    26,391,058,857.90x = 1,044,731,981,461,713,059,840
  5. Step 5: Solve for x
    x = 1,044,731,981,461,713,059,840/26,391,058,857.90
  6. Step 6: Final answer
    x = 39,586,588,286.85

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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.