Home / 427,591,486.40-641,389,364.94-151,242,955.34

Finding the Fourth Proportional to 427,591,486.40, 641,389,364.94 and 151,242,955.34

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Solution

The fourth proportional to 427,591,486.40, 641,389,364.94 and 151,242,955.34 is: 226,865,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,591,486.40 : 641,389,364.94 = 151,242,955.34 : x
  2. Step 2: Convert to fraction form
    427,591,486.40/641,389,364.94 = 151,242,955.34/x
  3. Step 3: Cross multiply
    427,591,486.40x = 641,389,364.94 × 151,242,955.34
  4. Step 4: Simplify right side
    427,591,486.40x = 97,005,623,077,171,392
  5. Step 5: Solve for x
    x = 97,005,623,077,171,392/427,591,486.40
  6. Step 6: Final answer
    x = 226,865,188.30

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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.