Home / 19,903,765,735.25-29,855,760,213.27-6,638,987,601.09

Finding the Fourth Proportional to 19,903,765,735.25, 29,855,760,213.27 and 6,638,987,601.09

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Solution

The fourth proportional to 19,903,765,735.25, 29,855,760,213.27 and 6,638,987,601.09 is: 9,958,518,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,765,735.25 : 29,855,760,213.27 = 6,638,987,601.09 : x
  2. Step 2: Convert to fraction form
    19,903,765,735.25/29,855,760,213.27 = 6,638,987,601.09/x
  3. Step 3: Cross multiply
    19,903,765,735.25x = 29,855,760,213.27 × 6,638,987,601.09
  4. Step 4: Simplify right side
    19,903,765,735.25x = 198,212,021,877,015,674,880
  5. Step 5: Solve for x
    x = 198,212,021,877,015,674,880/19,903,765,735.25
  6. Step 6: Final answer
    x = 9,958,518,629.77

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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.