Home / 2,836,629,420.32-4,251,558,926.52-1,320,237,837.32

Finding the Fourth Proportional to 2,836,629,420.32, 4,251,558,926.52 and 1,320,237,837.32

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Solution

The fourth proportional to 2,836,629,420.32, 4,251,558,926.52 and 1,320,237,837.32 is: 1,978,781,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,629,420.32 : 4,251,558,926.52 = 1,320,237,837.32 : x
  2. Step 2: Convert to fraction form
    2,836,629,420.32/4,251,558,926.52 = 1,320,237,837.32/x
  3. Step 3: Cross multiply
    2,836,629,420.32x = 4,251,558,926.52 × 1,320,237,837.32
  4. Step 4: Simplify right side
    2,836,629,420.32x = 5,613,068,962,387,305,472
  5. Step 5: Solve for x
    x = 5,613,068,962,387,305,472/2,836,629,420.32
  6. Step 6: Final answer
    x = 1,978,781,197.92

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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.