Home / 626,263,575.35-864,193,333.37-361,962,687.11

Finding the Fourth Proportional to 626,263,575.35, 864,193,333.37 and 361,962,687.11

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Solution

The fourth proportional to 626,263,575.35, 864,193,333.37 and 361,962,687.11 is: 499,479,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,263,575.35 : 864,193,333.37 = 361,962,687.11 : x
  2. Step 2: Convert to fraction form
    626,263,575.35/864,193,333.37 = 361,962,687.11/x
  3. Step 3: Cross multiply
    626,263,575.35x = 864,193,333.37 × 361,962,687.11
  4. Step 4: Simplify right side
    626,263,575.35x = 312,805,741,123,022,464
  5. Step 5: Solve for x
    x = 312,805,741,123,022,464/626,263,575.35
  6. Step 6: Final answer
    x = 499,479,378.07

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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.