Home / 631,230,718.23-871,125,293.52-352,772,233.56

Finding the Fourth Proportional to 631,230,718.23, 871,125,293.52 and 352,772,233.56

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Solution

The fourth proportional to 631,230,718.23, 871,125,293.52 and 352,772,233.56 is: 486,840,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,230,718.23 : 871,125,293.52 = 352,772,233.56 : x
  2. Step 2: Convert to fraction form
    631,230,718.23/871,125,293.52 = 352,772,233.56/x
  3. Step 3: Cross multiply
    631,230,718.23x = 871,125,293.52 × 352,772,233.56
  4. Step 4: Simplify right side
    631,230,718.23x = 307,308,815,505,660,992
  5. Step 5: Solve for x
    x = 307,308,815,505,660,992/631,230,718.23
  6. Step 6: Final answer
    x = 486,840,717.08

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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.