Home / 488,798,738.40-734,048,413.20-259,216,226.40

Finding the Fourth Proportional to 488,798,738.40, 734,048,413.20 and 259,216,226.40

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Solution

The fourth proportional to 488,798,738.40, 734,048,413.20 and 259,216,226.40 is: 389,275,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,798,738.40 : 734,048,413.20 = 259,216,226.40 : x
  2. Step 2: Convert to fraction form
    488,798,738.40/734,048,413.20 = 259,216,226.40/x
  3. Step 3: Cross multiply
    488,798,738.40x = 734,048,413.20 × 259,216,226.40
  4. Step 4: Simplify right side
    488,798,738.40x = 190,277,259,664,611,968
  5. Step 5: Solve for x
    x = 190,277,259,664,611,968/488,798,738.40
  6. Step 6: Final answer
    x = 389,275,267.54

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1.5x scale

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.