Finding the Fourth Proportional to 1,890,193,844.09, 2,608,467,977.63 and 1,043,421,658.49
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Solution
The fourth proportional to 1,890,193,844.09, 2,608,467,977.63 and 1,043,421,658.49 is: 1,439,922,149.70
Step by Step Solution
- Step 1: Write the proportion equation
1,890,193,844.09 : 2,608,467,977.63 = 1,043,421,658.49 : x - Step 2: Convert to fraction form
1,890,193,844.09/2,608,467,977.63 = 1,043,421,658.49/x - Step 3: Cross multiply
1,890,193,844.09x = 2,608,467,977.63 × 1,043,421,658.49 - Step 4: Simplify right side
1,890,193,844.09x = 2,721,731,983,336,751,104 - Step 5: Solve for x
x = 2,721,731,983,336,751,104/1,890,193,844.09 - Step 6: Final answer
x = 1,439,922,149.70
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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.