Finding the Fourth Proportional to 1,853,283,851.78, 2,557,581,659.66 and 1,090,381,175.08
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Solution
The fourth proportional to 1,853,283,851.78, 2,557,581,659.66 and 1,090,381,175.08 is: 1,504,755,406.33
Step by Step Solution
- Step 1: Write the proportion equation
1,853,283,851.78 : 2,557,581,659.66 = 1,090,381,175.08 : x - Step 2: Convert to fraction form
1,853,283,851.78/2,557,581,659.66 = 1,090,381,175.08/x - Step 3: Cross multiply
1,853,283,851.78x = 2,557,581,659.66 × 1,090,381,175.08 - Step 4: Simplify right side
1,853,283,851.78x = 2,788,738,895,423,127,040 - Step 5: Solve for x
x = 2,788,738,895,423,127,040/1,853,283,851.78 - Step 6: Final answer
x = 1,504,755,406.33
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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.