Home / 1,296,665,768.13-1,789,399,337.67-701,950,233.21

Finding the Fourth Proportional to 1,296,665,768.13, 1,789,399,337.67 and 701,950,233.21

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Solution

The fourth proportional to 1,296,665,768.13, 1,789,399,337.67 and 701,950,233.21 is: 968,691,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,665,768.13 : 1,789,399,337.67 = 701,950,233.21 : x
  2. Step 2: Convert to fraction form
    1,296,665,768.13/1,789,399,337.67 = 701,950,233.21/x
  3. Step 3: Cross multiply
    1,296,665,768.13x = 1,789,399,337.67 × 701,950,233.21
  4. Step 4: Simplify right side
    1,296,665,768.13x = 1,256,069,282,383,276,032
  5. Step 5: Solve for x
    x = 1,256,069,282,383,276,032/1,296,665,768.13
  6. Step 6: Final answer
    x = 968,691,634.54

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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.