Home / 821,348,002,469.37-1,231,152,455,062.20-276,277,605,762.91

Finding the Fourth Proportional to 821,348,002,469.37, 1,231,152,455,062.20 and 276,277,605,762.91

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Solution

The fourth proportional to 821,348,002,469.37, 1,231,152,455,062.20 and 276,277,605,762.91 is: 414,123,917,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,348,002,469.37 : 1,231,152,455,062.20 = 276,277,605,762.91 : x
  2. Step 2: Convert to fraction form
    821,348,002,469.37/1,231,152,455,062.20 = 276,277,605,762.91/x
  3. Step 3: Cross multiply
    821,348,002,469.37x = 1,231,152,455,062.20 × 276,277,605,762.91
  4. Step 4: Simplify right side
    821,348,002,469.37x = 340,139,852,613,713,238,425,600
  5. Step 5: Solve for x
    x = 340,139,852,613,713,238,425,600/821,348,002,469.37
  6. Step 6: Final answer
    x = 414,123,917,743.87

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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.