Home / 629,873,288.80-944,809,933.20-199,051,784.80

Finding the Fourth Proportional to 629,873,288.80, 944,809,933.20 and 199,051,784.80

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Solution

The fourth proportional to 629,873,288.80, 944,809,933.20 and 199,051,784.80 is: 298,577,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,873,288.80 : 944,809,933.20 = 199,051,784.80 : x
  2. Step 2: Convert to fraction form
    629,873,288.80/944,809,933.20 = 199,051,784.80/x
  3. Step 3: Cross multiply
    629,873,288.80x = 944,809,933.20 × 199,051,784.80
  4. Step 4: Simplify right side
    629,873,288.80x = 188,066,103,500,228,800
  5. Step 5: Solve for x
    x = 188,066,103,500,228,800/629,873,288.80
  6. Step 6: Final answer
    x = 298,577,677.20

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Double scale
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Similar ratio
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1.5x scale

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.