Home / 783,206,998.20-1,174,944,339.54-322,893,536.76

Finding the Fourth Proportional to 783,206,998.20, 1,174,944,339.54 and 322,893,536.76

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Solution

The fourth proportional to 783,206,998.20, 1,174,944,339.54 and 322,893,536.76 is: 484,395,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,206,998.20 : 1,174,944,339.54 = 322,893,536.76 : x
  2. Step 2: Convert to fraction form
    783,206,998.20/1,174,944,339.54 = 322,893,536.76/x
  3. Step 3: Cross multiply
    783,206,998.20x = 1,174,944,339.54 × 322,893,536.76
  4. Step 4: Simplify right side
    783,206,998.20x = 379,381,933,290,212,864
  5. Step 5: Solve for x
    x = 379,381,933,290,212,864/783,206,998.20
  6. Step 6: Final answer
    x = 484,395,484.41

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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.