Home / 368,976,539.67-509,193,674.19-220,310,652.04

Finding the Fourth Proportional to 368,976,539.67, 509,193,674.19 and 220,310,652.04

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Solution

The fourth proportional to 368,976,539.67, 509,193,674.19 and 220,310,652.04 is: 304,032,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976,539.67 : 509,193,674.19 = 220,310,652.04 : x
  2. Step 2: Convert to fraction form
    368,976,539.67/509,193,674.19 = 220,310,652.04/x
  3. Step 3: Cross multiply
    368,976,539.67x = 509,193,674.19 × 220,310,652.04
  4. Step 4: Simplify right side
    368,976,539.67x = 112,180,790,375,442,208
  5. Step 5: Solve for x
    x = 112,180,790,375,442,208/368,976,539.67
  6. Step 6: Final answer
    x = 304,032,311.85

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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.