Home / 456,876,390.38-630,486,033.25-248,027,163.26

Finding the Fourth Proportional to 456,876,390.38, 630,486,033.25 and 248,027,163.26

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Solution

The fourth proportional to 456,876,390.38, 630,486,033.25 and 248,027,163.26 is: 342,275,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,876,390.38 : 630,486,033.25 = 248,027,163.26 : x
  2. Step 2: Convert to fraction form
    456,876,390.38/630,486,033.25 = 248,027,163.26/x
  3. Step 3: Cross multiply
    456,876,390.38x = 630,486,033.25 × 248,027,163.26
  4. Step 4: Simplify right side
    456,876,390.38x = 156,377,662,303,003,648
  5. Step 5: Solve for x
    x = 156,377,662,303,003,648/456,876,390.38
  6. Step 6: Final answer
    x = 342,275,647.41

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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.