Home / 451,609,407.27-622,059,794.37-319,222,804.05

Finding the Fourth Proportional to 451,609,407.27, 622,059,794.37 and 319,222,804.05

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Solution

The fourth proportional to 451,609,407.27, 622,059,794.37 and 319,222,804.05 is: 439,706,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,609,407.27 : 622,059,794.37 = 319,222,804.05 : x
  2. Step 2: Convert to fraction form
    451,609,407.27/622,059,794.37 = 319,222,804.05/x
  3. Step 3: Cross multiply
    451,609,407.27x = 622,059,794.37 × 319,222,804.05
  4. Step 4: Simplify right side
    451,609,407.27x = 198,575,671,845,557,824
  5. Step 5: Solve for x
    x = 198,575,671,845,557,824/451,609,407.27
  6. Step 6: Final answer
    x = 439,706,677.16

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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.