Home / 631,531,689.53-871,469,489.08-367,194,929.03

Finding the Fourth Proportional to 631,531,689.53, 871,469,489.08 and 367,194,929.03

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Solution

The fourth proportional to 631,531,689.53, 871,469,489.08 and 367,194,929.03 is: 506,703,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,689.53 : 871,469,489.08 = 367,194,929.03 : x
  2. Step 2: Convert to fraction form
    631,531,689.53/871,469,489.08 = 367,194,929.03/x
  3. Step 3: Cross multiply
    631,531,689.53x = 871,469,489.08 × 367,194,929.03
  4. Step 4: Simplify right side
    631,531,689.53x = 319,999,177,193,910,592
  5. Step 5: Solve for x
    x = 319,999,177,193,910,592/631,531,689.53
  6. Step 6: Final answer
    x = 506,703,277.92

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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.