Home / 12,938,267,814.78-19,356,338,202.74-9,799,524,139.26

Finding the Fourth Proportional to 12,938,267,814.78, 19,356,338,202.74 and 9,799,524,139.26

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Solution

The fourth proportional to 12,938,267,814.78, 19,356,338,202.74 and 9,799,524,139.26 is: 14,660,610,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,267,814.78 : 19,356,338,202.74 = 9,799,524,139.26 : x
  2. Step 2: Convert to fraction form
    12,938,267,814.78/19,356,338,202.74 = 9,799,524,139.26/x
  3. Step 3: Cross multiply
    12,938,267,814.78x = 19,356,338,202.74 × 9,799,524,139.26
  4. Step 4: Simplify right side
    12,938,267,814.78x = 189,682,903,465,431,171,072
  5. Step 5: Solve for x
    x = 189,682,903,465,431,171,072/12,938,267,814.78
  6. Step 6: Final answer
    x = 14,660,610,383.16

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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.