Home / 656,469,927.60-984,704,891.40-503,414,919.60

Finding the Fourth Proportional to 656,469,927.60, 984,704,891.40 and 503,414,919.60

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Solution

The fourth proportional to 656,469,927.60, 984,704,891.40 and 503,414,919.60 is: 755,122,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,469,927.60 : 984,704,891.40 = 503,414,919.60 : x
  2. Step 2: Convert to fraction form
    656,469,927.60/984,704,891.40 = 503,414,919.60/x
  3. Step 3: Cross multiply
    656,469,927.60x = 984,704,891.40 × 503,414,919.60
  4. Step 4: Simplify right side
    656,469,927.60x = 495,715,133,733,857,728
  5. Step 5: Solve for x
    x = 495,715,133,733,857,728/656,469,927.60
  6. Step 6: Final answer
    x = 755,122,379.40

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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.