Home / 789,797,487.39-1,089,954,793.38-437,373,478.14

Finding the Fourth Proportional to 789,797,487.39, 1,089,954,793.38 and 437,373,478.14

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Solution

The fourth proportional to 789,797,487.39, 1,089,954,793.38 and 437,373,478.14 is: 603,594,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,797,487.39 : 1,089,954,793.38 = 437,373,478.14 : x
  2. Step 2: Convert to fraction form
    789,797,487.39/1,089,954,793.38 = 437,373,478.14/x
  3. Step 3: Cross multiply
    789,797,487.39x = 1,089,954,793.38 × 437,373,478.14
  4. Step 4: Simplify right side
    789,797,487.39x = 476,717,318,995,975,680
  5. Step 5: Solve for x
    x = 476,717,318,995,975,680/789,797,487.39
  6. Step 6: Final answer
    x = 603,594,372.74

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Double scale
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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.