Home / 994,164,972.24-1,491,400,686.20-338,962,770.64

Finding the Fourth Proportional to 994,164,972.24, 1,491,400,686.20 and 338,962,770.64

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Solution

The fourth proportional to 994,164,972.24, 1,491,400,686.20 and 338,962,770.64 is: 508,496,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,164,972.24 : 1,491,400,686.20 = 338,962,770.64 : x
  2. Step 2: Convert to fraction form
    994,164,972.24/1,491,400,686.20 = 338,962,770.64/x
  3. Step 3: Cross multiply
    994,164,972.24x = 1,491,400,686.20 × 338,962,770.64
  4. Step 4: Simplify right side
    994,164,972.24x = 505,529,308,728,749,184
  5. Step 5: Solve for x
    x = 505,529,308,728,749,184/994,164,972.24
  6. Step 6: Final answer
    x = 508,496,399.33

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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.