Home / 18,142,201,713.69-27,213,388,643.07-5,551,040,077.64

Finding the Fourth Proportional to 18,142,201,713.69, 27,213,388,643.07 and 5,551,040,077.64

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Solution

The fourth proportional to 18,142,201,713.69, 27,213,388,643.07 and 5,551,040,077.64 is: 8,326,586,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142,201,713.69 : 27,213,388,643.07 = 5,551,040,077.64 : x
  2. Step 2: Convert to fraction form
    18,142,201,713.69/27,213,388,643.07 = 5,551,040,077.64/x
  3. Step 3: Cross multiply
    18,142,201,713.69x = 27,213,388,643.07 × 5,551,040,077.64
  4. Step 4: Simplify right side
    18,142,201,713.69x = 151,062,611,005,938,728,960
  5. Step 5: Solve for x
    x = 151,062,611,005,938,728,960/18,142,201,713.69
  6. Step 6: Final answer
    x = 8,326,586,452.40

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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.