Home / 445,057,273.20-667,585,909.80-290,089,077.60

Finding the Fourth Proportional to 445,057,273.20, 667,585,909.80 and 290,089,077.60

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Solution

The fourth proportional to 445,057,273.20, 667,585,909.80 and 290,089,077.60 is: 435,133,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,057,273.20 : 667,585,909.80 = 290,089,077.60 : x
  2. Step 2: Convert to fraction form
    445,057,273.20/667,585,909.80 = 290,089,077.60/x
  3. Step 3: Cross multiply
    445,057,273.20x = 667,585,909.80 × 290,089,077.60
  4. Step 4: Simplify right side
    445,057,273.20x = 193,659,380,792,638,816
  5. Step 5: Solve for x
    x = 193,659,380,792,638,816/445,057,273.20
  6. Step 6: Final answer
    x = 435,133,616.40

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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.