Home / 404,313,393.40-606,470,090.10-131,684,160.40

Finding the Fourth Proportional to 404,313,393.40, 606,470,090.10 and 131,684,160.40

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Solution

The fourth proportional to 404,313,393.40, 606,470,090.10 and 131,684,160.40 is: 197,526,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,313,393.40 : 606,470,090.10 = 131,684,160.40 : x
  2. Step 2: Convert to fraction form
    404,313,393.40/606,470,090.10 = 131,684,160.40/x
  3. Step 3: Cross multiply
    404,313,393.40x = 606,470,090.10 × 131,684,160.40
  4. Step 4: Simplify right side
    404,313,393.40x = 79,862,504,622,530,864
  5. Step 5: Solve for x
    x = 79,862,504,622,530,864/404,313,393.40
  6. Step 6: Final answer
    x = 197,526,240.60

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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.