Finding the Fourth Proportional to 1,994,250,821.08, 2,991,372,220.14 and 1,872,894,387.64
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Solution
The fourth proportional to 1,994,250,821.08, 2,991,372,220.14 and 1,872,894,387.64 is: 2,809,337,814.09
Step by Step Solution
- Step 1: Write the proportion equation
1,994,250,821.08 : 2,991,372,220.14 = 1,872,894,387.64 : x - Step 2: Convert to fraction form
1,994,250,821.08/2,991,372,220.14 = 1,872,894,387.64/x - Step 3: Cross multiply
1,994,250,821.08x = 2,991,372,220.14 × 1,872,894,387.64 - Step 4: Simplify right side
1,994,250,821.08x = 5,602,524,242,442,413,056 - Step 5: Solve for x
x = 5,602,524,242,442,413,056/1,994,250,821.08 - Step 6: Final answer
x = 2,809,337,814.09
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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.