Home / 839,821,323.70-1,259,731,985.55-664,469,413.30

Finding the Fourth Proportional to 839,821,323.70, 1,259,731,985.55 and 664,469,413.30

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Solution

The fourth proportional to 839,821,323.70, 1,259,731,985.55 and 664,469,413.30 is: 996,704,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,821,323.70 : 1,259,731,985.55 = 664,469,413.30 : x
  2. Step 2: Convert to fraction form
    839,821,323.70/1,259,731,985.55 = 664,469,413.30/x
  3. Step 3: Cross multiply
    839,821,323.70x = 1,259,731,985.55 × 664,469,413.30
  4. Step 4: Simplify right side
    839,821,323.70x = 837,053,373,353,652,480
  5. Step 5: Solve for x
    x = 837,053,373,353,652,480/839,821,323.70
  6. Step 6: Final answer
    x = 996,704,119.95

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Double scale
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Similar ratio
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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.