Home / 12,938,267,813.78-19,356,338,201.24-9,799,524,138.26

Finding the Fourth Proportional to 12,938,267,813.78, 19,356,338,201.24 and 9,799,524,138.26

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Solution

The fourth proportional to 12,938,267,813.78, 19,356,338,201.24 and 9,799,524,138.26 is: 14,660,610,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,267,813.78 : 19,356,338,201.24 = 9,799,524,138.26 : x
  2. Step 2: Convert to fraction form
    12,938,267,813.78/19,356,338,201.24 = 9,799,524,138.26/x
  3. Step 3: Cross multiply
    12,938,267,813.78x = 19,356,338,201.24 × 9,799,524,138.26
  4. Step 4: Simplify right side
    12,938,267,813.78x = 189,682,903,431,375,552,512
  5. Step 5: Solve for x
    x = 189,682,903,431,375,552,512/12,938,267,813.78
  6. Step 6: Final answer
    x = 14,660,610,381.66

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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.