Home / 782,822,504.67-1,080,231,163.45-460,899,658.54

Finding the Fourth Proportional to 782,822,504.67, 1,080,231,163.45 and 460,899,658.54

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Solution

The fourth proportional to 782,822,504.67, 1,080,231,163.45 and 460,899,658.54 is: 636,003,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,822,504.67 : 1,080,231,163.45 = 460,899,658.54 : x
  2. Step 2: Convert to fraction form
    782,822,504.67/1,080,231,163.45 = 460,899,658.54/x
  3. Step 3: Cross multiply
    782,822,504.67x = 1,080,231,163.45 × 460,899,658.54
  4. Step 4: Simplify right side
    782,822,504.67x = 497,878,174,381,150,976
  5. Step 5: Solve for x
    x = 497,878,174,381,150,976/782,822,504.67
  6. Step 6: Final answer
    x = 636,003,910.74

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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.