Home / 378,745,737.48-567,616,361.64-194,505,771.60

Finding the Fourth Proportional to 378,745,737.48, 567,616,361.64 and 194,505,771.60

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Solution

The fourth proportional to 378,745,737.48, 567,616,361.64 and 194,505,771.60 is: 291,500,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,745,737.48 : 567,616,361.64 = 194,505,771.60 : x
  2. Step 2: Convert to fraction form
    378,745,737.48/567,616,361.64 = 194,505,771.60/x
  3. Step 3: Cross multiply
    378,745,737.48x = 567,616,361.64 × 194,505,771.60
  4. Step 4: Simplify right side
    378,745,737.48x = 110,404,658,393,572,832
  5. Step 5: Solve for x
    x = 110,404,658,393,572,832/378,745,737.48
  6. Step 6: Final answer
    x = 291,500,728.50

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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.