Home / 256,258,280.24-384,452,899.14-74,505,458.24

Finding the Fourth Proportional to 256,258,280.24, 384,452,899.14 and 74,505,458.24

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Solution

The fourth proportional to 256,258,280.24, 384,452,899.14 and 74,505,458.24 is: 111,777,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,258,280.24 : 384,452,899.14 = 74,505,458.24 : x
  2. Step 2: Convert to fraction form
    256,258,280.24/384,452,899.14 = 74,505,458.24/x
  3. Step 3: Cross multiply
    256,258,280.24x = 384,452,899.14 × 74,505,458.24
  4. Step 4: Simplify right side
    256,258,280.24x = 28,643,839,422,122,200
  5. Step 5: Solve for x
    x = 28,643,839,422,122,200/256,258,280.24
  6. Step 6: Final answer
    x = 111,777,224.90

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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.