Home / 3,509,069,157.49-5,263,644,171.31-1,268,286,651.43

Finding the Fourth Proportional to 3,509,069,157.49, 5,263,644,171.31 and 1,268,286,651.43

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Solution

The fourth proportional to 3,509,069,157.49, 5,263,644,171.31 and 1,268,286,651.43 is: 1,902,444,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,069,157.49 : 5,263,644,171.31 = 1,268,286,651.43 : x
  2. Step 2: Convert to fraction form
    3,509,069,157.49/5,263,644,171.31 = 1,268,286,651.43/x
  3. Step 3: Cross multiply
    3,509,069,157.49x = 5,263,644,171.31 × 1,268,286,651.43
  4. Step 4: Simplify right side
    3,509,069,157.49x = 6,675,809,640,349,798,400
  5. Step 5: Solve for x
    x = 6,675,809,640,349,798,400/3,509,069,157.49
  6. Step 6: Final answer
    x = 1,902,444,591.64

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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.