Home / 619,400,413.20-929,100,619.80-343,901,398.80

Finding the Fourth Proportional to 619,400,413.20, 929,100,619.80 and 343,901,398.80

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Solution

The fourth proportional to 619,400,413.20, 929,100,619.80 and 343,901,398.80 is: 515,852,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,400,413.20 : 929,100,619.80 = 343,901,398.80 : x
  2. Step 2: Convert to fraction form
    619,400,413.20/929,100,619.80 = 343,901,398.80/x
  3. Step 3: Cross multiply
    619,400,413.20x = 929,100,619.80 × 343,901,398.80
  4. Step 4: Simplify right side
    619,400,413.20x = 319,519,002,775,166,976
  5. Step 5: Solve for x
    x = 319,519,002,775,166,976/619,400,413.20
  6. Step 6: Final answer
    x = 515,852,098.20

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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.