Home / 306,220,266.30-459,330,399.45-220,126,824.30

Finding the Fourth Proportional to 306,220,266.30, 459,330,399.45 and 220,126,824.30

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Solution

The fourth proportional to 306,220,266.30, 459,330,399.45 and 220,126,824.30 is: 330,190,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,266.30 : 459,330,399.45 = 220,126,824.30 : x
  2. Step 2: Convert to fraction form
    306,220,266.30/459,330,399.45 = 220,126,824.30/x
  3. Step 3: Cross multiply
    306,220,266.30x = 459,330,399.45 × 220,126,824.30
  4. Step 4: Simplify right side
    306,220,266.30x = 101,110,942,135,378,976
  5. Step 5: Solve for x
    x = 101,110,942,135,378,976/306,220,266.30
  6. Step 6: Final answer
    x = 330,190,236.45

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1.5x scale

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.