Home / 1,308,268,509.44-1,962,169,760.32-521,256,203.84

Finding the Fourth Proportional to 1,308,268,509.44, 1,962,169,760.32 and 521,256,203.84

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Solution

The fourth proportional to 1,308,268,509.44, 1,962,169,760.32 and 521,256,203.84 is: 781,791,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,268,509.44 : 1,962,169,760.32 = 521,256,203.84 : x
  2. Step 2: Convert to fraction form
    1,308,268,509.44/1,962,169,760.32 = 521,256,203.84/x
  3. Step 3: Cross multiply
    1,308,268,509.44x = 1,962,169,760.32 × 521,256,203.84
  4. Step 4: Simplify right side
    1,308,268,509.44x = 1,022,793,160,554,045,824
  5. Step 5: Solve for x
    x = 1,022,793,160,554,045,824/1,308,268,509.44
  6. Step 6: Final answer
    x = 781,791,469.54

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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.