Home / 451,609,404.27-622,059,790.23-319,222,801.05

Finding the Fourth Proportional to 451,609,404.27, 622,059,790.23 and 319,222,801.05

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Solution

The fourth proportional to 451,609,404.27, 622,059,790.23 and 319,222,801.05 is: 439,706,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,609,404.27 : 622,059,790.23 = 319,222,801.05 : x
  2. Step 2: Convert to fraction form
    451,609,404.27/622,059,790.23 = 319,222,801.05/x
  3. Step 3: Cross multiply
    451,609,404.27x = 622,059,790.23 × 319,222,801.05
  4. Step 4: Simplify right side
    451,609,404.27x = 198,575,668,657,796,032
  5. Step 5: Solve for x
    x = 198,575,668,657,796,032/451,609,404.27
  6. Step 6: Final answer
    x = 439,706,673.02

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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.