Home / 378,174,346.40-567,261,519.60-267,209,465.60

Finding the Fourth Proportional to 378,174,346.40, 567,261,519.60 and 267,209,465.60

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Solution

The fourth proportional to 378,174,346.40, 567,261,519.60 and 267,209,465.60 is: 400,814,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,174,346.40 : 567,261,519.60 = 267,209,465.60 : x
  2. Step 2: Convert to fraction form
    378,174,346.40/567,261,519.60 = 267,209,465.60/x
  3. Step 3: Cross multiply
    378,174,346.40x = 567,261,519.60 × 267,209,465.60
  4. Step 4: Simplify right side
    378,174,346.40x = 151,577,647,507,759,936
  5. Step 5: Solve for x
    x = 151,577,647,507,759,936/378,174,346.40
  6. Step 6: Final answer
    x = 400,814,198.40

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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.