Home / 462,361,261.86-638,151,236.19-274,293,945.12

Finding the Fourth Proportional to 462,361,261.86, 638,151,236.19 and 274,293,945.12

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Solution

The fourth proportional to 462,361,261.86, 638,151,236.19 and 274,293,945.12 is: 378,580,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,361,261.86 : 638,151,236.19 = 274,293,945.12 : x
  2. Step 2: Convert to fraction form
    462,361,261.86/638,151,236.19 = 274,293,945.12/x
  3. Step 3: Cross multiply
    462,361,261.86x = 638,151,236.19 × 274,293,945.12
  4. Step 4: Simplify right side
    462,361,261.86x = 175,041,020,157,760,032
  5. Step 5: Solve for x
    x = 175,041,020,157,760,032/462,361,261.86
  6. Step 6: Final answer
    x = 378,580,635.09

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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.