Home / 330,161,147.20-495,241,720.80-325,059,313.60

Finding the Fourth Proportional to 330,161,147.20, 495,241,720.80 and 325,059,313.60

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Solution

The fourth proportional to 330,161,147.20, 495,241,720.80 and 325,059,313.60 is: 487,588,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,161,147.20 : 495,241,720.80 = 325,059,313.60 : x
  2. Step 2: Convert to fraction form
    330,161,147.20/495,241,720.80 = 325,059,313.60/x
  3. Step 3: Cross multiply
    330,161,147.20x = 495,241,720.80 × 325,059,313.60
  4. Step 4: Simplify right side
    330,161,147.20x = 160,982,933,829,330,848
  5. Step 5: Solve for x
    x = 160,982,933,829,330,848/330,161,147.20
  6. Step 6: Final answer
    x = 487,588,970.40

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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.