Home / 3,959,669,344.80-5,939,504,017.20-1,782,887,008.80

Finding the Fourth Proportional to 3,959,669,344.80, 5,939,504,017.20 and 1,782,887,008.80

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Solution

The fourth proportional to 3,959,669,344.80, 5,939,504,017.20 and 1,782,887,008.80 is: 2,674,330,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,669,344.80 : 5,939,504,017.20 = 1,782,887,008.80 : x
  2. Step 2: Convert to fraction form
    3,959,669,344.80/5,939,504,017.20 = 1,782,887,008.80/x
  3. Step 3: Cross multiply
    3,959,669,344.80x = 5,939,504,017.20 × 1,782,887,008.80
  4. Step 4: Simplify right side
    3,959,669,344.80x = 10,589,464,550,981,292,032
  5. Step 5: Solve for x
    x = 10,589,464,550,981,292,032/3,959,669,344.80
  6. Step 6: Final answer
    x = 2,674,330,513.20

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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.