Home / 13,542,026,192.10-18,685,753,879.32-7,826,842,816.92

Finding the Fourth Proportional to 13,542,026,192.10, 18,685,753,879.32 and 7,826,842,816.92

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Solution

The fourth proportional to 13,542,026,192.10, 18,685,753,879.32 and 7,826,842,816.92 is: 10,799,747,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,026,192.10 : 18,685,753,879.32 = 7,826,842,816.92 : x
  2. Step 2: Convert to fraction form
    13,542,026,192.10/18,685,753,879.32 = 7,826,842,816.92/x
  3. Step 3: Cross multiply
    13,542,026,192.10x = 18,685,753,879.32 × 7,826,842,816.92
  4. Step 4: Simplify right side
    13,542,026,192.10x = 146,250,458,529,090,764,800
  5. Step 5: Solve for x
    x = 146,250,458,529,090,764,800/13,542,026,192.10
  6. Step 6: Final answer
    x = 10,799,747,131.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.