Home / 2,152,352,120.80-3,228,528,181.20-1,968,686,111.20

Finding the Fourth Proportional to 2,152,352,120.80, 3,228,528,181.20 and 1,968,686,111.20

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Solution

The fourth proportional to 2,152,352,120.80, 3,228,528,181.20 and 1,968,686,111.20 is: 2,953,029,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,352,120.80 : 3,228,528,181.20 = 1,968,686,111.20 : x
  2. Step 2: Convert to fraction form
    2,152,352,120.80/3,228,528,181.20 = 1,968,686,111.20/x
  3. Step 3: Cross multiply
    2,152,352,120.80x = 3,228,528,181.20 × 1,968,686,111.20
  4. Step 4: Simplify right side
    2,152,352,120.80x = 6,355,958,589,946,236,928
  5. Step 5: Solve for x
    x = 6,355,958,589,946,236,928/2,152,352,120.80
  6. Step 6: Final answer
    x = 2,953,029,166.80

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Double scale
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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.