Finding the Fourth Proportional to 1,853,283,850.78, 2,557,581,658.28 and 1,090,381,174.08
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Solution
The fourth proportional to 1,853,283,850.78, 2,557,581,658.28 and 1,090,381,174.08 is: 1,504,755,404.95
Step by Step Solution
- Step 1: Write the proportion equation
1,853,283,850.78 : 2,557,581,658.28 = 1,090,381,174.08 : x - Step 2: Convert to fraction form
1,853,283,850.78/2,557,581,658.28 = 1,090,381,174.08/x - Step 3: Cross multiply
1,853,283,850.78x = 2,557,581,658.28 × 1,090,381,174.08 - Step 4: Simplify right side
1,853,283,850.78x = 2,788,738,891,360,819,712 - Step 5: Solve for x
x = 2,788,738,891,360,819,712/1,853,283,850.78 - Step 6: Final answer
x = 1,504,755,404.95
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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.