Home / 400,919,945.40-601,379,918.10-196,846,601.40

Finding the Fourth Proportional to 400,919,945.40, 601,379,918.10 and 196,846,601.40

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Solution

The fourth proportional to 400,919,945.40, 601,379,918.10 and 196,846,601.40 is: 295,269,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,919,945.40 : 601,379,918.10 = 196,846,601.40 : x
  2. Step 2: Convert to fraction form
    400,919,945.40/601,379,918.10 = 196,846,601.40/x
  3. Step 3: Cross multiply
    400,919,945.40x = 601,379,918.10 × 196,846,601.40
  4. Step 4: Simplify right side
    400,919,945.40x = 118,379,593,028,195,360
  5. Step 5: Solve for x
    x = 118,379,593,028,195,360/400,919,945.40
  6. Step 6: Final answer
    x = 295,269,902.10

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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.