Home / 631,206,601.48-870,989,659.51-348,910,906.24

Finding the Fourth Proportional to 631,206,601.48, 870,989,659.51 and 348,910,906.24

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Solution

The fourth proportional to 631,206,601.48, 870,989,659.51 and 348,910,906.24 is: 481,455,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,206,601.48 : 870,989,659.51 = 348,910,906.24 : x
  2. Step 2: Convert to fraction form
    631,206,601.48/870,989,659.51 = 348,910,906.24/x
  3. Step 3: Cross multiply
    631,206,601.48x = 870,989,659.51 × 348,910,906.24
  4. Step 4: Simplify right side
    631,206,601.48x = 303,897,791,419,203,648
  5. Step 5: Solve for x
    x = 303,897,791,419,203,648/631,206,601.48
  6. Step 6: Final answer
    x = 481,455,343.95

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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.