Home / 358,728,208.80-538,092,313.20-271,997,037.60

Finding the Fourth Proportional to 358,728,208.80, 538,092,313.20 and 271,997,037.60

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Solution

The fourth proportional to 358,728,208.80, 538,092,313.20 and 271,997,037.60 is: 407,995,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,208.80 : 538,092,313.20 = 271,997,037.60 : x
  2. Step 2: Convert to fraction form
    358,728,208.80/538,092,313.20 = 271,997,037.60/x
  3. Step 3: Cross multiply
    358,728,208.80x = 538,092,313.20 × 271,997,037.60
  4. Step 4: Simplify right side
    358,728,208.80x = 146,359,515,145,731,392
  5. Step 5: Solve for x
    x = 146,359,515,145,731,392/358,728,208.80
  6. Step 6: Final answer
    x = 407,995,556.40

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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.