Home / 368,976,539.02-509,193,673.29-220,310,651.39

Finding the Fourth Proportional to 368,976,539.02, 509,193,673.29 and 220,310,651.39

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Solution

The fourth proportional to 368,976,539.02, 509,193,673.29 and 220,310,651.39 is: 304,032,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976,539.02 : 509,193,673.29 = 220,310,651.39 : x
  2. Step 2: Convert to fraction form
    368,976,539.02/509,193,673.29 = 220,310,651.39/x
  3. Step 3: Cross multiply
    368,976,539.02x = 509,193,673.29 × 220,310,651.39
  4. Step 4: Simplify right side
    368,976,539.02x = 112,180,789,842,539,216
  5. Step 5: Solve for x
    x = 112,180,789,842,539,216/368,976,539.02
  6. Step 6: Final answer
    x = 304,032,310.95

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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.