Home / 1,968,505,722.40-2,952,758,583.60-1,818,851,936.80

Finding the Fourth Proportional to 1,968,505,722.40, 2,952,758,583.60 and 1,818,851,936.80

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Solution

The fourth proportional to 1,968,505,722.40, 2,952,758,583.60 and 1,818,851,936.80 is: 2,728,277,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,505,722.40 : 2,952,758,583.60 = 1,818,851,936.80 : x
  2. Step 2: Convert to fraction form
    1,968,505,722.40/2,952,758,583.60 = 1,818,851,936.80/x
  3. Step 3: Cross multiply
    1,968,505,722.40x = 2,952,758,583.60 × 1,818,851,936.80
  4. Step 4: Simplify right side
    1,968,505,722.40x = 5,370,630,668,683,684,864
  5. Step 5: Solve for x
    x = 5,370,630,668,683,684,864/1,968,505,722.40
  6. Step 6: Final answer
    x = 2,728,277,905.20

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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.