Home / 626,263,758.88-864,193,586-361,962,870.56

Finding the Fourth Proportional to 626,263,758.88, 864,193,586 and 361,962,870.56

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Solution

The fourth proportional to 626,263,758.88, 864,193,586 and 361,962,870.56 is: 499,479,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,263,758.88 : 864,193,586 = 361,962,870.56 : x
  2. Step 2: Convert to fraction form
    626,263,758.88/864,193,586 = 361,962,870.56/x
  3. Step 3: Cross multiply
    626,263,758.88x = 864,193,586 × 361,962,870.56
  4. Step 4: Simplify right side
    626,263,758.88x = 312,805,991,108,100,224
  5. Step 5: Solve for x
    x = 312,805,991,108,100,224/626,263,758.88
  6. Step 6: Final answer
    x = 499,479,630.86

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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.