Home / 821,804,275.30-1,232,689,142.41-200,022,976.17

Finding the Fourth Proportional to 821,804,275.30, 1,232,689,142.41 and 200,022,976.17

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Solution

The fourth proportional to 821,804,275.30, 1,232,689,142.41 and 200,022,976.17 is: 300,030,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,804,275.30 : 1,232,689,142.41 = 200,022,976.17 : x
  2. Step 2: Convert to fraction form
    821,804,275.30/1,232,689,142.41 = 200,022,976.17/x
  3. Step 3: Cross multiply
    821,804,275.30x = 1,232,689,142.41 × 200,022,976.17
  4. Step 4: Simplify right side
    821,804,275.30x = 246,566,150,957,293,152
  5. Step 5: Solve for x
    x = 246,566,150,957,293,152/821,804,275.30
  6. Step 6: Final answer
    x = 300,030,260.69

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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.