Home / 1,337,721,990.80-2,008,094,640.60-792,770,579.60

Finding the Fourth Proportional to 1,337,721,990.80, 2,008,094,640.60 and 792,770,579.60

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Solution

The fourth proportional to 1,337,721,990.80, 2,008,094,640.60 and 792,770,579.60 is: 1,190,051,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,721,990.80 : 2,008,094,640.60 = 792,770,579.60 : x
  2. Step 2: Convert to fraction form
    1,337,721,990.80/2,008,094,640.60 = 792,770,579.60/x
  3. Step 3: Cross multiply
    1,337,721,990.80x = 2,008,094,640.60 × 792,770,579.60
  4. Step 4: Simplify right side
    1,337,721,990.80x = 1,591,958,352,120,115,712
  5. Step 5: Solve for x
    x = 1,591,958,352,120,115,712/1,337,721,990.80
  6. Step 6: Final answer
    x = 1,190,051,717.07

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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.