Home / 378,612,977.76-568,081,596.24-119,849,263.20

Finding the Fourth Proportional to 378,612,977.76, 568,081,596.24 and 119,849,263.20

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Solution

The fourth proportional to 378,612,977.76, 568,081,596.24 and 119,849,263.20 is: 179,825,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,612,977.76 : 568,081,596.24 = 119,849,263.20 : x
  2. Step 2: Convert to fraction form
    378,612,977.76/568,081,596.24 = 119,849,263.20/x
  3. Step 3: Cross multiply
    378,612,977.76x = 568,081,596.24 × 119,849,263.20
  4. Step 4: Simplify right side
    378,612,977.76x = 68,084,160,746,843,896
  5. Step 5: Solve for x
    x = 68,084,160,746,843,896/378,612,977.76
  6. Step 6: Final answer
    x = 179,825,216.64

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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.