Home / 11,237,405,894.70-15,505,648,930.80-6,412,567,979.85

Finding the Fourth Proportional to 11,237,405,894.70, 15,505,648,930.80 and 6,412,567,979.85

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Solution

The fourth proportional to 11,237,405,894.70, 15,505,648,930.80 and 6,412,567,979.85 is: 8,848,218,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237,405,894.70 : 15,505,648,930.80 = 6,412,567,979.85 : x
  2. Step 2: Convert to fraction form
    11,237,405,894.70/15,505,648,930.80 = 6,412,567,979.85/x
  3. Step 3: Cross multiply
    11,237,405,894.70x = 15,505,648,930.80 × 6,412,567,979.85
  4. Step 4: Simplify right side
    11,237,405,894.70x = 99,431,027,840,443,465,728
  5. Step 5: Solve for x
    x = 99,431,027,840,443,465,728/11,237,405,894.70
  6. Step 6: Final answer
    x = 8,848,218,954.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.