Home / 19,089,972,472.72-26,344,978,517.28-10,631,794,893.52

Finding the Fourth Proportional to 19,089,972,472.72, 26,344,978,517.28 and 10,631,794,893.52

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Solution

The fourth proportional to 19,089,972,472.72, 26,344,978,517.28 and 10,631,794,893.52 is: 14,672,331,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,972,472.72 : 26,344,978,517.28 = 10,631,794,893.52 : x
  2. Step 2: Convert to fraction form
    19,089,972,472.72/26,344,978,517.28 = 10,631,794,893.52/x
  3. Step 3: Cross multiply
    19,089,972,472.72x = 26,344,978,517.28 × 10,631,794,893.52
  4. Step 4: Simplify right side
    19,089,972,472.72x = 280,094,408,069,911,609,344
  5. Step 5: Solve for x
    x = 280,094,408,069,911,609,344/19,089,972,472.72
  6. Step 6: Final answer
    x = 14,672,331,689.85

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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.