Home / 7,190,647,222.50-10,785,970,833.75-2,020,789,174.50

Finding the Fourth Proportional to 7,190,647,222.50, 10,785,970,833.75 and 2,020,789,174.50

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Solution

The fourth proportional to 7,190,647,222.50, 10,785,970,833.75 and 2,020,789,174.50 is: 3,031,183,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,647,222.50 : 10,785,970,833.75 = 2,020,789,174.50 : x
  2. Step 2: Convert to fraction form
    7,190,647,222.50/10,785,970,833.75 = 2,020,789,174.50/x
  3. Step 3: Cross multiply
    7,190,647,222.50x = 10,785,970,833.75 × 2,020,789,174.50
  4. Step 4: Simplify right side
    7,190,647,222.50x = 21,796,173,097,314,738,176
  5. Step 5: Solve for x
    x = 21,796,173,097,314,738,176/7,190,647,222.50
  6. Step 6: Final answer
    x = 3,031,183,761.75

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Double scale
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Similar ratio
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1.5x scale

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.