Home / 420,749,181.48-580,622,732.46-235,111,722.60

Finding the Fourth Proportional to 420,749,181.48, 580,622,732.46 and 235,111,722.60

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Solution

The fourth proportional to 420,749,181.48, 580,622,732.46 and 235,111,722.60 is: 324,447,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,749,181.48 : 580,622,732.46 = 235,111,722.60 : x
  2. Step 2: Convert to fraction form
    420,749,181.48/580,622,732.46 = 235,111,722.60/x
  3. Step 3: Cross multiply
    420,749,181.48x = 580,622,732.46 × 235,111,722.60
  4. Step 4: Simplify right side
    420,749,181.48x = 136,511,210,809,389,536
  5. Step 5: Solve for x
    x = 136,511,210,809,389,536/420,749,181.48
  6. Step 6: Final answer
    x = 324,447,953.36

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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.