Finding the Fourth Proportional to 1,789,256,053.24, 2,469,149,809.50 and 985,468,115.80
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Solution
The fourth proportional to 1,789,256,053.24, 2,469,149,809.50 and 985,468,115.80 is: 1,359,933,032.50
Step by Step Solution
- Step 1: Write the proportion equation
1,789,256,053.24 : 2,469,149,809.50 = 985,468,115.80 : x - Step 2: Convert to fraction form
1,789,256,053.24/2,469,149,809.50 = 985,468,115.80/x - Step 3: Cross multiply
1,789,256,053.24x = 2,469,149,809.50 × 985,468,115.80 - Step 4: Simplify right side
1,789,256,053.24x = 2,433,268,410,395,893,760 - Step 5: Solve for x
x = 2,433,268,410,395,893,760/1,789,256,053.24 - Step 6: Final answer
x = 1,359,933,032.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.