Home / 368,976,539.52-509,193,673.98-220,310,651.89

Finding the Fourth Proportional to 368,976,539.52, 509,193,673.98 and 220,310,651.89

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Solution

The fourth proportional to 368,976,539.52, 509,193,673.98 and 220,310,651.89 is: 304,032,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976,539.52 : 509,193,673.98 = 220,310,651.89 : x
  2. Step 2: Convert to fraction form
    368,976,539.52/509,193,673.98 = 220,310,651.89/x
  3. Step 3: Cross multiply
    368,976,539.52x = 509,193,673.98 × 220,310,651.89
  4. Step 4: Simplify right side
    368,976,539.52x = 112,180,790,252,797,920
  5. Step 5: Solve for x
    x = 112,180,790,252,797,920/368,976,539.52
  6. Step 6: Final answer
    x = 304,032,311.64

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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.