Home / 631,531,911.84-871,469,795.80-367,195,151.40

Finding the Fourth Proportional to 631,531,911.84, 871,469,795.80 and 367,195,151.40

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Solution

The fourth proportional to 631,531,911.84, 871,469,795.80 and 367,195,151.40 is: 506,703,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,911.84 : 871,469,795.80 = 367,195,151.40 : x
  2. Step 2: Convert to fraction form
    631,531,911.84/871,469,795.80 = 367,195,151.40/x
  3. Step 3: Cross multiply
    631,531,911.84x = 871,469,795.80 × 367,195,151.40
  4. Step 4: Simplify right side
    631,531,911.84x = 319,999,483,609,308,032
  5. Step 5: Solve for x
    x = 319,999,483,609,308,032/631,531,911.84
  6. Step 6: Final answer
    x = 506,703,584.74

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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.