Home / 2,719,783,511.72-4,080,507,865.68-1,392,751,139.60

Finding the Fourth Proportional to 2,719,783,511.72, 4,080,507,865.68 and 1,392,751,139.60

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Solution

The fourth proportional to 2,719,783,511.72, 4,080,507,865.68 and 1,392,751,139.60 is: 2,089,553,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,783,511.72 : 4,080,507,865.68 = 1,392,751,139.60 : x
  2. Step 2: Convert to fraction form
    2,719,783,511.72/4,080,507,865.68 = 1,392,751,139.60/x
  3. Step 3: Cross multiply
    2,719,783,511.72x = 4,080,507,865.68 × 1,392,751,139.60
  4. Step 4: Simplify right side
    2,719,783,511.72x = 5,683,131,980,072,583,168
  5. Step 5: Solve for x
    x = 5,683,131,980,072,583,168/2,719,783,511.72
  6. Step 6: Final answer
    x = 2,089,553,067.58

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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.