Home / 512,933,486.12-769,462,490.54-144,468,438.85

Finding the Fourth Proportional to 512,933,486.12, 769,462,490.54 and 144,468,438.85

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Solution

The fourth proportional to 512,933,486.12, 769,462,490.54 and 144,468,438.85 is: 216,720,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,933,486.12 : 769,462,490.54 = 144,468,438.85 : x
  2. Step 2: Convert to fraction form
    512,933,486.12/769,462,490.54 = 144,468,438.85/x
  3. Step 3: Cross multiply
    512,933,486.12x = 769,462,490.54 × 144,468,438.85
  4. Step 4: Simplify right side
    512,933,486.12x = 111,163,044,760,384,208
  5. Step 5: Solve for x
    x = 111,163,044,760,384,208/512,933,486.12
  6. Step 6: Final answer
    x = 216,720,194.27

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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.