Home / 1,236,990,634.39-1,856,830,431.70-500,567,548.15

Finding the Fourth Proportional to 1,236,990,634.39, 1,856,830,431.70 and 500,567,548.15

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Solution

The fourth proportional to 1,236,990,634.39, 1,856,830,431.70 and 500,567,548.15 is: 751,395,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,990,634.39 : 1,856,830,431.70 = 500,567,548.15 : x
  2. Step 2: Convert to fraction form
    1,236,990,634.39/1,856,830,431.70 = 500,567,548.15/x
  3. Step 3: Cross multiply
    1,236,990,634.39x = 1,856,830,431.70 × 500,567,548.15
  4. Step 4: Simplify right side
    1,236,990,634.39x = 929,469,056,517,090,816
  5. Step 5: Solve for x
    x = 929,469,056,517,090,816/1,236,990,634.39
  6. Step 6: Final answer
    x = 751,395,387.06

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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.