Home / 631,531,819.78-871,469,668.92-367,195,059.38

Finding the Fourth Proportional to 631,531,819.78, 871,469,668.92 and 367,195,059.38

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Solution

The fourth proportional to 631,531,819.78, 871,469,668.92 and 367,195,059.38 is: 506,703,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,819.78 : 871,469,668.92 = 367,195,059.38 : x
  2. Step 2: Convert to fraction form
    631,531,819.78/871,469,668.92 = 367,195,059.38/x
  3. Step 3: Cross multiply
    631,531,819.78x = 871,469,668.92 × 367,195,059.38
  4. Step 4: Simplify right side
    631,531,819.78x = 319,999,356,826,948,352
  5. Step 5: Solve for x
    x = 319,999,356,826,948,352/631,531,819.78
  6. Step 6: Final answer
    x = 506,703,457.85

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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.