Home / 1,213,388,735.93-1,675,632,912.65-1,147,284,165.05

Finding the Fourth Proportional to 1,213,388,735.93, 1,675,632,912.65 and 1,147,284,165.05

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Solution

The fourth proportional to 1,213,388,735.93, 1,675,632,912.65 and 1,147,284,165.05 is: 1,584,345,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,388,735.93 : 1,675,632,912.65 = 1,147,284,165.05 : x
  2. Step 2: Convert to fraction form
    1,213,388,735.93/1,675,632,912.65 = 1,147,284,165.05/x
  3. Step 3: Cross multiply
    1,213,388,735.93x = 1,675,632,912.65 × 1,147,284,165.05
  4. Step 4: Simplify right side
    1,213,388,735.93x = 1,922,427,107,105,840,384
  5. Step 5: Solve for x
    x = 1,922,427,107,105,840,384/1,213,388,735.93
  6. Step 6: Final answer
    x = 1,584,345,601.86

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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.