Home / 388,475,993.20-582,501,413.40-158,184,893.20

Finding the Fourth Proportional to 388,475,993.20, 582,501,413.40 and 158,184,893.20

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Solution

The fourth proportional to 388,475,993.20, 582,501,413.40 and 158,184,893.20 is: 237,190,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,475,993.20 : 582,501,413.40 = 158,184,893.20 : x
  2. Step 2: Convert to fraction form
    388,475,993.20/582,501,413.40 = 158,184,893.20/x
  3. Step 3: Cross multiply
    388,475,993.20x = 582,501,413.40 × 158,184,893.20
  4. Step 4: Simplify right side
    388,475,993.20x = 92,142,923,867,528,032
  5. Step 5: Solve for x
    x = 92,142,923,867,528,032/388,475,993.20
  6. Step 6: Final answer
    x = 237,190,780.08

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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.