Home / 664,305,923.70-996,458,885.55-492,119,039.70

Finding the Fourth Proportional to 664,305,923.70, 996,458,885.55 and 492,119,039.70

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Solution

The fourth proportional to 664,305,923.70, 996,458,885.55 and 492,119,039.70 is: 738,178,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,923.70 : 996,458,885.55 = 492,119,039.70 : x
  2. Step 2: Convert to fraction form
    664,305,923.70/996,458,885.55 = 492,119,039.70/x
  3. Step 3: Cross multiply
    664,305,923.70x = 996,458,885.55 × 492,119,039.70
  4. Step 4: Simplify right side
    664,305,923.70x = 490,376,389,857,398,144
  5. Step 5: Solve for x
    x = 490,376,389,857,398,144/664,305,923.70
  6. Step 6: Final answer
    x = 738,178,559.55

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Double scale
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Similar ratio
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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.