Home / 303,634,761.60-455,452,142.40-188,843,505.60

Finding the Fourth Proportional to 303,634,761.60, 455,452,142.40 and 188,843,505.60

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Solution

The fourth proportional to 303,634,761.60, 455,452,142.40 and 188,843,505.60 is: 283,265,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,634,761.60 : 455,452,142.40 = 188,843,505.60 : x
  2. Step 2: Convert to fraction form
    303,634,761.60/455,452,142.40 = 188,843,505.60/x
  3. Step 3: Cross multiply
    303,634,761.60x = 455,452,142.40 × 188,843,505.60
  4. Step 4: Simplify right side
    303,634,761.60x = 86,009,179,203,846,384
  5. Step 5: Solve for x
    x = 86,009,179,203,846,384/303,634,761.60
  6. Step 6: Final answer
    x = 283,265,258.40

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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.