Home / 2,790,628,382.85-4,186,555,498.31-825,328,241.52

Finding the Fourth Proportional to 2,790,628,382.85, 4,186,555,498.31 and 825,328,241.52

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Solution

The fourth proportional to 2,790,628,382.85, 4,186,555,498.31 and 825,328,241.52 is: 1,238,173,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,628,382.85 : 4,186,555,498.31 = 825,328,241.52 : x
  2. Step 2: Convert to fraction form
    2,790,628,382.85/4,186,555,498.31 = 825,328,241.52/x
  3. Step 3: Cross multiply
    2,790,628,382.85x = 4,186,555,498.31 × 825,328,241.52
  4. Step 4: Simplify right side
    2,790,628,382.85x = 3,455,282,487,441,952,768
  5. Step 5: Solve for x
    x = 3,455,282,487,441,952,768/2,790,628,382.85
  6. Step 6: Final answer
    x = 1,238,173,634.54

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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.