Home / 825,367,085.68-1,139,006,539.92-454,081,145.44

Finding the Fourth Proportional to 825,367,085.68, 1,139,006,539.92 and 454,081,145.44

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Solution

The fourth proportional to 825,367,085.68, 1,139,006,539.92 and 454,081,145.44 is: 626,631,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,367,085.68 : 1,139,006,539.92 = 454,081,145.44 : x
  2. Step 2: Convert to fraction form
    825,367,085.68/1,139,006,539.92 = 454,081,145.44/x
  3. Step 3: Cross multiply
    825,367,085.68x = 1,139,006,539.92 × 454,081,145.44
  4. Step 4: Simplify right side
    825,367,085.68x = 517,201,394,310,524,736
  5. Step 5: Solve for x
    x = 517,201,394,310,524,736/825,367,085.68
  6. Step 6: Final answer
    x = 626,631,959.63

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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.