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Finding the Fourth Proportional to 927,810,665.23, 1,391,715,997.84 and 927,810,665.23

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Solution

The fourth proportional to 927,810,665.23, 1,391,715,997.84 and 927,810,665.23 is: 1,391,715,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,810,665.23 : 1,391,715,997.84 = 927,810,665.23 : x
  2. Step 2: Convert to fraction form
    927,810,665.23/1,391,715,997.84 = 927,810,665.23/x
  3. Step 3: Cross multiply
    927,810,665.23x = 1,391,715,997.84 × 927,810,665.23
  4. Step 4: Simplify right side
    927,810,665.23x = 1,291,248,945,757,885,696
  5. Step 5: Solve for x
    x = 1,291,248,945,757,885,696/927,810,665.23
  6. Step 6: Final answer
    x = 1,391,715,997.84

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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.