Home / 408,127,974.69-612,091,069.93-174,932,242.54

Finding the Fourth Proportional to 408,127,974.69, 612,091,069.93 and 174,932,242.54

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Solution

The fourth proportional to 408,127,974.69, 612,091,069.93 and 174,932,242.54 is: 262,355,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,127,974.69 : 612,091,069.93 = 174,932,242.54 : x
  2. Step 2: Convert to fraction form
    408,127,974.69/612,091,069.93 = 174,932,242.54/x
  3. Step 3: Cross multiply
    408,127,974.69x = 612,091,069.93 × 174,932,242.54
  4. Step 4: Simplify right side
    408,127,974.69x = 107,074,463,501,562,848
  5. Step 5: Solve for x
    x = 107,074,463,501,562,848/408,127,974.69
  6. Step 6: Final answer
    x = 262,355,119.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.