Home / 368,976,538.67-509,193,672.81-220,310,651.04

Finding the Fourth Proportional to 368,976,538.67, 509,193,672.81 and 220,310,651.04

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Solution

The fourth proportional to 368,976,538.67, 509,193,672.81 and 220,310,651.04 is: 304,032,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976,538.67 : 509,193,672.81 = 220,310,651.04 : x
  2. Step 2: Convert to fraction form
    368,976,538.67/509,193,672.81 = 220,310,651.04/x
  3. Step 3: Cross multiply
    368,976,538.67x = 509,193,672.81 × 220,310,651.04
  4. Step 4: Simplify right side
    368,976,538.67x = 112,180,789,562,219,840
  5. Step 5: Solve for x
    x = 112,180,789,562,219,840/368,976,538.67
  6. Step 6: Final answer
    x = 304,032,310.47

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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.