Home / 485,311,336.40-727,967,004.60-322,052,661.20

Finding the Fourth Proportional to 485,311,336.40, 727,967,004.60 and 322,052,661.20

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Solution

The fourth proportional to 485,311,336.40, 727,967,004.60 and 322,052,661.20 is: 483,078,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,311,336.40 : 727,967,004.60 = 322,052,661.20 : x
  2. Step 2: Convert to fraction form
    485,311,336.40/727,967,004.60 = 322,052,661.20/x
  3. Step 3: Cross multiply
    485,311,336.40x = 727,967,004.60 × 322,052,661.20
  4. Step 4: Simplify right side
    485,311,336.40x = 234,443,711,097,222,656
  5. Step 5: Solve for x
    x = 234,443,711,097,222,656/485,311,336.40
  6. Step 6: Final answer
    x = 483,078,991.80

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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.