Home / 1,775,190,739.70-2,662,786,109.55-740,793,977.30

Finding the Fourth Proportional to 1,775,190,739.70, 2,662,786,109.55 and 740,793,977.30

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Solution

The fourth proportional to 1,775,190,739.70, 2,662,786,109.55 and 740,793,977.30 is: 1,111,190,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,190,739.70 : 2,662,786,109.55 = 740,793,977.30 : x
  2. Step 2: Convert to fraction form
    1,775,190,739.70/2,662,786,109.55 = 740,793,977.30/x
  3. Step 3: Cross multiply
    1,775,190,739.70x = 2,662,786,109.55 × 740,793,977.30
  4. Step 4: Simplify right side
    1,775,190,739.70x = 1,972,575,912,792,738,048
  5. Step 5: Solve for x
    x = 1,972,575,912,792,738,048/1,775,190,739.70
  6. Step 6: Final answer
    x = 1,111,190,965.95

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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.