Home / 1,968,624,313.20-2,952,936,469.80-1,938,013,311.60

Finding the Fourth Proportional to 1,968,624,313.20, 2,952,936,469.80 and 1,938,013,311.60

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Solution

The fourth proportional to 1,968,624,313.20, 2,952,936,469.80 and 1,938,013,311.60 is: 2,907,019,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,624,313.20 : 2,952,936,469.80 = 1,938,013,311.60 : x
  2. Step 2: Convert to fraction form
    1,968,624,313.20/2,952,936,469.80 = 1,938,013,311.60/x
  3. Step 3: Cross multiply
    1,968,624,313.20x = 2,952,936,469.80 × 1,938,013,311.60
  4. Step 4: Simplify right side
    1,968,624,313.20x = 5,722,830,186,781,511,680
  5. Step 5: Solve for x
    x = 5,722,830,186,781,511,680/1,968,624,313.20
  6. Step 6: Final answer
    x = 2,907,019,967.40

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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.