Home / 427,591,487.39-641,389,366.44-151,242,956.33

Finding the Fourth Proportional to 427,591,487.39, 641,389,366.44 and 151,242,956.33

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Solution

The fourth proportional to 427,591,487.39, 641,389,366.44 and 151,242,956.33 is: 226,865,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,591,487.39 : 641,389,366.44 = 151,242,956.33 : x
  2. Step 2: Convert to fraction form
    427,591,487.39/641,389,366.44 = 151,242,956.33/x
  3. Step 3: Cross multiply
    427,591,487.39x = 641,389,366.44 × 151,242,956.33
  4. Step 4: Simplify right side
    427,591,487.39x = 97,005,623,935,804,336
  5. Step 5: Solve for x
    x = 97,005,623,935,804,336/427,591,487.39
  6. Step 6: Final answer
    x = 226,865,189.78

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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.