Home / 538,925,466.22-743,534,469.39-439,634,572.72

Finding the Fourth Proportional to 538,925,466.22, 743,534,469.39 and 439,634,572.72

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Solution

The fourth proportional to 538,925,466.22, 743,534,469.39 and 439,634,572.72 is: 606,546,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,925,466.22 : 743,534,469.39 = 439,634,572.72 : x
  2. Step 2: Convert to fraction form
    538,925,466.22/743,534,469.39 = 439,634,572.72/x
  3. Step 3: Cross multiply
    538,925,466.22x = 743,534,469.39 × 439,634,572.72
  4. Step 4: Simplify right side
    538,925,466.22x = 326,883,458,752,654,336
  5. Step 5: Solve for x
    x = 326,883,458,752,654,336/538,925,466.22
  6. Step 6: Final answer
    x = 606,546,691.97

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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.