Home / 629,856,570.80-944,784,856.20-456,520,199.60

Finding the Fourth Proportional to 629,856,570.80, 944,784,856.20 and 456,520,199.60

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Solution

The fourth proportional to 629,856,570.80, 944,784,856.20 and 456,520,199.60 is: 684,780,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,570.80 : 944,784,856.20 = 456,520,199.60 : x
  2. Step 2: Convert to fraction form
    629,856,570.80/944,784,856.20 = 456,520,199.60/x
  3. Step 3: Cross multiply
    629,856,570.80x = 944,784,856.20 × 456,520,199.60
  4. Step 4: Simplify right side
    629,856,570.80x = 431,313,371,131,481,344
  5. Step 5: Solve for x
    x = 431,313,371,131,481,344/629,856,570.80
  6. Step 6: Final answer
    x = 684,780,299.40

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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.