Home / 919,461,608.70-1,379,192,413.05-874,111,976.70

Finding the Fourth Proportional to 919,461,608.70, 1,379,192,413.05 and 874,111,976.70

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Solution

The fourth proportional to 919,461,608.70, 1,379,192,413.05 and 874,111,976.70 is: 1,311,167,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,461,608.70 : 1,379,192,413.05 = 874,111,976.70 : x
  2. Step 2: Convert to fraction form
    919,461,608.70/1,379,192,413.05 = 874,111,976.70/x
  3. Step 3: Cross multiply
    919,461,608.70x = 1,379,192,413.05 × 874,111,976.70
  4. Step 4: Simplify right side
    919,461,608.70x = 1,205,568,606,420,778,496
  5. Step 5: Solve for x
    x = 1,205,568,606,420,778,496/919,461,608.70
  6. Step 6: Final answer
    x = 1,311,167,965.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.