Home / 395,522,022.24-545,770,222.38-216,858,893.76

Finding the Fourth Proportional to 395,522,022.24, 545,770,222.38 and 216,858,893.76

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Solution

The fourth proportional to 395,522,022.24, 545,770,222.38 and 216,858,893.76 is: 299,237,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,522,022.24 : 545,770,222.38 = 216,858,893.76 : x
  2. Step 2: Convert to fraction form
    395,522,022.24/545,770,222.38 = 216,858,893.76/x
  3. Step 3: Cross multiply
    395,522,022.24x = 545,770,222.38 × 216,858,893.76
  4. Step 4: Simplify right side
    395,522,022.24x = 118,355,126,672,475,984
  5. Step 5: Solve for x
    x = 118,355,126,672,475,984/395,522,022.24
  6. Step 6: Final answer
    x = 299,237,766.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.