Home / 14,135,137,745.18-19,507,362,809.91-7,791,491,270.30

Finding the Fourth Proportional to 14,135,137,745.18, 19,507,362,809.91 and 7,791,491,270.30

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Solution

The fourth proportional to 14,135,137,745.18, 19,507,362,809.91 and 7,791,491,270.30 is: 10,752,739,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135,137,745.18 : 19,507,362,809.91 = 7,791,491,270.30 : x
  2. Step 2: Convert to fraction form
    14,135,137,745.18/19,507,362,809.91 = 7,791,491,270.30/x
  3. Step 3: Cross multiply
    14,135,137,745.18x = 19,507,362,809.91 × 7,791,491,270.30
  4. Step 4: Simplify right side
    14,135,137,745.18x = 151,991,447,039,988,629,504
  5. Step 5: Solve for x
    x = 151,991,447,039,988,629,504/14,135,137,745.18
  6. Step 6: Final answer
    x = 10,752,739,009.69

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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.