Home / 19,903,769,315.10-29,855,765,589.60-6,638,991,180.72

Finding the Fourth Proportional to 19,903,769,315.10, 29,855,765,589.60 and 6,638,991,180.72

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Solution

The fourth proportional to 19,903,769,315.10, 29,855,765,589.60 and 6,638,991,180.72 is: 9,958,524,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,769,315.10 : 29,855,765,589.60 = 6,638,991,180.72 : x
  2. Step 2: Convert to fraction form
    19,903,769,315.10/29,855,765,589.60 = 6,638,991,180.72/x
  3. Step 3: Cross multiply
    19,903,769,315.10x = 29,855,765,589.60 × 6,638,991,180.72
  4. Step 4: Simplify right side
    19,903,769,315.10x = 198,212,164,442,998,046,720
  5. Step 5: Solve for x
    x = 198,212,164,442,998,046,720/19,903,769,315.10
  6. Step 6: Final answer
    x = 9,958,524,001.41

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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.