Home / 420,749,047.85-580,622,548.07-235,111,588.97

Finding the Fourth Proportional to 420,749,047.85, 580,622,548.07 and 235,111,588.97

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Solution

The fourth proportional to 420,749,047.85, 580,622,548.07 and 235,111,588.97 is: 324,447,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,749,047.85 : 580,622,548.07 = 235,111,588.97 : x
  2. Step 2: Convert to fraction form
    420,749,047.85/580,622,548.07 = 235,111,588.97/x
  3. Step 3: Cross multiply
    420,749,047.85x = 580,622,548.07 × 235,111,588.97
  4. Step 4: Simplify right side
    420,749,047.85x = 136,511,089,866,232,576
  5. Step 5: Solve for x
    x = 136,511,089,866,232,576/420,749,047.85
  6. Step 6: Final answer
    x = 324,447,768.96

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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.