Home / 616,817,800.38-851,200,628.22-352,496,761.68

Finding the Fourth Proportional to 616,817,800.38, 851,200,628.22 and 352,496,761.68

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Solution

The fourth proportional to 616,817,800.38, 851,200,628.22 and 352,496,761.68 is: 486,440,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,817,800.38 : 851,200,628.22 = 352,496,761.68 : x
  2. Step 2: Convert to fraction form
    616,817,800.38/851,200,628.22 = 352,496,761.68/x
  3. Step 3: Cross multiply
    616,817,800.38x = 851,200,628.22 × 352,496,761.68
  4. Step 4: Simplify right side
    616,817,800.38x = 300,045,464,987,531,648
  5. Step 5: Solve for x
    x = 300,045,464,987,531,648/616,817,800.38
  6. Step 6: Final answer
    x = 486,440,995.71

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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.