Home / 617,094,540.66-851,615,018.64-338,646,028.80

Finding the Fourth Proportional to 617,094,540.66, 851,615,018.64 and 338,646,028.80

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Solution

The fourth proportional to 617,094,540.66, 851,615,018.64 and 338,646,028.80 is: 467,344,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,094,540.66 : 851,615,018.64 = 338,646,028.80 : x
  2. Step 2: Convert to fraction form
    617,094,540.66/851,615,018.64 = 338,646,028.80/x
  3. Step 3: Cross multiply
    617,094,540.66x = 851,615,018.64 × 338,646,028.80
  4. Step 4: Simplify right side
    617,094,540.66x = 288,396,044,128,873,984
  5. Step 5: Solve for x
    x = 288,396,044,128,873,984/617,094,540.66
  6. Step 6: Final answer
    x = 467,344,993.56

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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.