Home / 994,164,944.22-1,491,400,644.16-338,962,742.62

Finding the Fourth Proportional to 994,164,944.22, 1,491,400,644.16 and 338,962,742.62

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Solution

The fourth proportional to 994,164,944.22, 1,491,400,644.16 and 338,962,742.62 is: 508,496,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,164,944.22 : 1,491,400,644.16 = 338,962,742.62 : x
  2. Step 2: Convert to fraction form
    994,164,944.22/1,491,400,644.16 = 338,962,742.62/x
  3. Step 3: Cross multiply
    994,164,944.22x = 1,491,400,644.16 × 338,962,742.62
  4. Step 4: Simplify right side
    994,164,944.22x = 505,529,252,685,776,384
  5. Step 5: Solve for x
    x = 505,529,252,685,776,384/994,164,944.22
  6. Step 6: Final answer
    x = 508,496,357.29

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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.