Home / 427,591,400.57-641,389,236.48-151,242,869.43

Finding the Fourth Proportional to 427,591,400.57, 641,389,236.48 and 151,242,869.43

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Solution

The fourth proportional to 427,591,400.57, 641,389,236.48 and 151,242,869.43 is: 226,865,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,591,400.57 : 641,389,236.48 = 151,242,869.43 : x
  2. Step 2: Convert to fraction form
    427,591,400.57/641,389,236.48 = 151,242,869.43/x
  3. Step 3: Cross multiply
    427,591,400.57x = 641,389,236.48 × 151,242,869.43
  4. Step 4: Simplify right side
    427,591,400.57x = 97,005,548,546,752,048
  5. Step 5: Solve for x
    x = 97,005,548,546,752,048/427,591,400.57
  6. Step 6: Final answer
    x = 226,865,059.54

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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.