Home / 1,489,220,675.71-2,055,347,957.69-1,131,399,632.47

Finding the Fourth Proportional to 1,489,220,675.71, 2,055,347,957.69 and 1,131,399,632.47

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Solution

The fourth proportional to 1,489,220,675.71, 2,055,347,957.69 and 1,131,399,632.47 is: 1,561,501,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,220,675.71 : 2,055,347,957.69 = 1,131,399,632.47 : x
  2. Step 2: Convert to fraction form
    1,489,220,675.71/2,055,347,957.69 = 1,131,399,632.47/x
  3. Step 3: Cross multiply
    1,489,220,675.71x = 2,055,347,957.69 × 1,131,399,632.47
  4. Step 4: Simplify right side
    1,489,220,675.71x = 2,325,419,923,928,431,104
  5. Step 5: Solve for x
    x = 2,325,419,923,928,431,104/1,489,220,675.71
  6. Step 6: Final answer
    x = 1,561,501,234.74

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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.