Home / 419,907,616.40-629,861,424.60-147,179,968.40

Finding the Fourth Proportional to 419,907,616.40, 629,861,424.60 and 147,179,968.40

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Solution

The fourth proportional to 419,907,616.40, 629,861,424.60 and 147,179,968.40 is: 220,769,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,907,616.40 : 629,861,424.60 = 147,179,968.40 : x
  2. Step 2: Convert to fraction form
    419,907,616.40/629,861,424.60 = 147,179,968.40/x
  3. Step 3: Cross multiply
    419,907,616.40x = 629,861,424.60 × 147,179,968.40
  4. Step 4: Simplify right side
    419,907,616.40x = 92,702,984,569,006,992
  5. Step 5: Solve for x
    x = 92,702,984,569,006,992/419,907,616.40
  6. Step 6: Final answer
    x = 220,769,952.60

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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.