Home / 343,360,429.80-515,040,644.70-329,968,116.60

Finding the Fourth Proportional to 343,360,429.80, 515,040,644.70 and 329,968,116.60

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Solution

The fourth proportional to 343,360,429.80, 515,040,644.70 and 329,968,116.60 is: 494,952,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,429.80 : 515,040,644.70 = 329,968,116.60 : x
  2. Step 2: Convert to fraction form
    343,360,429.80/515,040,644.70 = 329,968,116.60/x
  3. Step 3: Cross multiply
    343,360,429.80x = 515,040,644.70 × 329,968,116.60
  4. Step 4: Simplify right side
    343,360,429.80x = 169,946,991,504,108,768
  5. Step 5: Solve for x
    x = 169,946,991,504,108,768/343,360,429.80
  6. Step 6: Final answer
    x = 494,952,174.90

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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.