Home / 21,147,027,508.08-31,717,093,735.26-6,220,702,284.84

Finding the Fourth Proportional to 21,147,027,508.08, 31,717,093,735.26 and 6,220,702,284.84

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Solution

The fourth proportional to 21,147,027,508.08, 31,717,093,735.26 and 6,220,702,284.84 is: 9,330,039,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,147,027,508.08 : 31,717,093,735.26 = 6,220,702,284.84 : x
  2. Step 2: Convert to fraction form
    21,147,027,508.08/31,717,093,735.26 = 6,220,702,284.84/x
  3. Step 3: Cross multiply
    21,147,027,508.08x = 31,717,093,735.26 × 6,220,702,284.84
  4. Step 4: Simplify right side
    21,147,027,508.08x = 197,302,597,467,416,330,240
  5. Step 5: Solve for x
    x = 197,302,597,467,416,330,240/21,147,027,508.08
  6. Step 6: Final answer
    x = 9,330,039,287.65

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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.