Home / 497,665,991.20-746,498,986.80-376,733,639.20

Finding the Fourth Proportional to 497,665,991.20, 746,498,986.80 and 376,733,639.20

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Solution

The fourth proportional to 497,665,991.20, 746,498,986.80 and 376,733,639.20 is: 565,100,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,991.20 : 746,498,986.80 = 376,733,639.20 : x
  2. Step 2: Convert to fraction form
    497,665,991.20/746,498,986.80 = 376,733,639.20/x
  3. Step 3: Cross multiply
    497,665,991.20x = 746,498,986.80 × 376,733,639.20
  4. Step 4: Simplify right side
    497,665,991.20x = 281,231,279,956,276,736
  5. Step 5: Solve for x
    x = 281,231,279,956,276,736/497,665,991.20
  6. Step 6: Final answer
    x = 565,100,458.80

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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.