Home / 994,164,971.99-1,491,400,685.82-338,962,770.39

Finding the Fourth Proportional to 994,164,971.99, 1,491,400,685.82 and 338,962,770.39

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Solution

The fourth proportional to 994,164,971.99, 1,491,400,685.82 and 338,962,770.39 is: 508,496,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,164,971.99 : 1,491,400,685.82 = 338,962,770.39 : x
  2. Step 2: Convert to fraction form
    994,164,971.99/1,491,400,685.82 = 338,962,770.39/x
  3. Step 3: Cross multiply
    994,164,971.99x = 1,491,400,685.82 × 338,962,770.39
  4. Step 4: Simplify right side
    994,164,971.99x = 505,529,308,227,093,120
  5. Step 5: Solve for x
    x = 505,529,308,227,093,120/994,164,971.99
  6. Step 6: Final answer
    x = 508,496,398.96

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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.