Home / 3,880,762,072.80-5,821,143,109.20-1,120,481,138.40

Finding the Fourth Proportional to 3,880,762,072.80, 5,821,143,109.20 and 1,120,481,138.40

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Solution

The fourth proportional to 3,880,762,072.80, 5,821,143,109.20 and 1,120,481,138.40 is: 1,680,721,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,762,072.80 : 5,821,143,109.20 = 1,120,481,138.40 : x
  2. Step 2: Convert to fraction form
    3,880,762,072.80/5,821,143,109.20 = 1,120,481,138.40/x
  3. Step 3: Cross multiply
    3,880,762,072.80x = 5,821,143,109.20 × 1,120,481,138.40
  4. Step 4: Simplify right side
    3,880,762,072.80x = 6,522,481,057,785,732,096
  5. Step 5: Solve for x
    x = 6,522,481,057,785,732,096/3,880,762,072.80
  6. Step 6: Final answer
    x = 1,680,721,707.60

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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.