Home / 789,797,481.14-1,089,954,784.77-437,373,471.89

Finding the Fourth Proportional to 789,797,481.14, 1,089,954,784.77 and 437,373,471.89

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Solution

The fourth proportional to 789,797,481.14, 1,089,954,784.77 and 437,373,471.89 is: 603,594,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,797,481.14 : 1,089,954,784.77 = 437,373,471.89 : x
  2. Step 2: Convert to fraction form
    789,797,481.14/1,089,954,784.77 = 437,373,471.89/x
  3. Step 3: Cross multiply
    789,797,481.14x = 1,089,954,784.77 × 437,373,471.89
  4. Step 4: Simplify right side
    789,797,481.14x = 476,717,308,412,522,816
  5. Step 5: Solve for x
    x = 476,717,308,412,522,816/789,797,481.14
  6. Step 6: Final answer
    x = 603,594,364.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.