Home / 644,738,516.71-967,297,519.25-208,031,008.39

Finding the Fourth Proportional to 644,738,516.71, 967,297,519.25 and 208,031,008.39

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Solution

The fourth proportional to 644,738,516.71, 967,297,519.25 and 208,031,008.39 is: 312,107,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,738,516.71 : 967,297,519.25 = 208,031,008.39 : x
  2. Step 2: Convert to fraction form
    644,738,516.71/967,297,519.25 = 208,031,008.39/x
  3. Step 3: Cross multiply
    644,738,516.71x = 967,297,519.25 × 208,031,008.39
  4. Step 4: Simplify right side
    644,738,516.71x = 201,227,878,336,846,272
  5. Step 5: Solve for x
    x = 201,227,878,336,846,272/644,738,516.71
  6. Step 6: Final answer
    x = 312,107,735.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.