Home / 631,531,742.54-871,469,561.81-367,194,982.01

Finding the Fourth Proportional to 631,531,742.54, 871,469,561.81 and 367,194,982.01

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Solution

The fourth proportional to 631,531,742.54, 871,469,561.81 and 367,194,982.01 is: 506,703,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,742.54 : 871,469,561.81 = 367,194,982.01 : x
  2. Step 2: Convert to fraction form
    631,531,742.54/871,469,561.81 = 367,194,982.01/x
  3. Step 3: Cross multiply
    631,531,742.54x = 871,469,561.81 × 367,194,982.01
  4. Step 4: Simplify right side
    631,531,742.54x = 319,999,250,067,646,144
  5. Step 5: Solve for x
    x = 319,999,250,067,646,144/631,531,742.54
  6. Step 6: Final answer
    x = 506,703,350.78

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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.