Home / 472,395,413.70-708,593,120.55-199,766,180.70

Finding the Fourth Proportional to 472,395,413.70, 708,593,120.55 and 199,766,180.70

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Solution

The fourth proportional to 472,395,413.70, 708,593,120.55 and 199,766,180.70 is: 299,649,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,413.70 : 708,593,120.55 = 199,766,180.70 : x
  2. Step 2: Convert to fraction form
    472,395,413.70/708,593,120.55 = 199,766,180.70/x
  3. Step 3: Cross multiply
    472,395,413.70x = 708,593,120.55 × 199,766,180.70
  4. Step 4: Simplify right side
    472,395,413.70x = 141,552,941,362,568,160
  5. Step 5: Solve for x
    x = 141,552,941,362,568,160/472,395,413.70
  6. Step 6: Final answer
    x = 299,649,271.05

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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.