Home / 411,741,072.20-618,089,905.20-248,163,532.40

Finding the Fourth Proportional to 411,741,072.20, 618,089,905.20 and 248,163,532.40

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Solution

The fourth proportional to 411,741,072.20, 618,089,905.20 and 248,163,532.40 is: 372,533,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,741,072.20 : 618,089,905.20 = 248,163,532.40 : x
  2. Step 2: Convert to fraction form
    411,741,072.20/618,089,905.20 = 248,163,532.40/x
  3. Step 3: Cross multiply
    411,741,072.20x = 618,089,905.20 × 248,163,532.40
  4. Step 4: Simplify right side
    411,741,072.20x = 153,387,374,215,213,152
  5. Step 5: Solve for x
    x = 153,387,374,215,213,152/411,741,072.20
  6. Step 6: Final answer
    x = 372,533,576.49

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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.