Home / 8,601,119,372.06-11,870,141,291.75-5,214,171,414.89

Finding the Fourth Proportional to 8,601,119,372.06, 11,870,141,291.75 and 5,214,171,414.89

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Solution

The fourth proportional to 8,601,119,372.06, 11,870,141,291.75 and 5,214,171,414.89 is: 7,195,918,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601,119,372.06 : 11,870,141,291.75 = 5,214,171,414.89 : x
  2. Step 2: Convert to fraction form
    8,601,119,372.06/11,870,141,291.75 = 5,214,171,414.89/x
  3. Step 3: Cross multiply
    8,601,119,372.06x = 11,870,141,291.75 × 5,214,171,414.89
  4. Step 4: Simplify right side
    8,601,119,372.06x = 61,892,951,414,151,921,664
  5. Step 5: Solve for x
    x = 61,892,951,414,151,921,664/8,601,119,372.06
  6. Step 6: Final answer
    x = 7,195,918,198.19

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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.