Home / 3,097,373,099.12-4,274,321,059.32-1,687,688,645.60

Finding the Fourth Proportional to 3,097,373,099.12, 4,274,321,059.32 and 1,687,688,645.60

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Solution

The fourth proportional to 3,097,373,099.12, 4,274,321,059.32 and 1,687,688,645.60 is: 2,328,981,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097,373,099.12 : 4,274,321,059.32 = 1,687,688,645.60 : x
  2. Step 2: Convert to fraction form
    3,097,373,099.12/4,274,321,059.32 = 1,687,688,645.60/x
  3. Step 3: Cross multiply
    3,097,373,099.12x = 4,274,321,059.32 × 1,687,688,645.60
  4. Step 4: Simplify right side
    3,097,373,099.12x = 7,213,723,119,463,327,744
  5. Step 5: Solve for x
    x = 7,213,723,119,463,327,744/3,097,373,099.12
  6. Step 6: Final answer
    x = 2,328,981,007.01

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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.