Home / 445,847,247.60-668,770,871.40-329,621,100.90

Finding the Fourth Proportional to 445,847,247.60, 668,770,871.40 and 329,621,100.90

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Solution

The fourth proportional to 445,847,247.60, 668,770,871.40 and 329,621,100.90 is: 494,431,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,847,247.60 : 668,770,871.40 = 329,621,100.90 : x
  2. Step 2: Convert to fraction form
    445,847,247.60/668,770,871.40 = 329,621,100.90/x
  3. Step 3: Cross multiply
    445,847,247.60x = 668,770,871.40 × 329,621,100.90
  4. Step 4: Simplify right side
    445,847,247.60x = 220,440,990,880,720,288
  5. Step 5: Solve for x
    x = 220,440,990,880,720,288/445,847,247.60
  6. Step 6: Final answer
    x = 494,431,651.35

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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.