Finding the Fourth Proportional to 7,896,906,183.24, 11,845,239,701.70 and 1,921,088,629.68
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Solution
The fourth proportional to 7,896,906,183.24, 11,845,239,701.70 and 1,921,088,629.68 is: 2,881,603,855.83
Step by Step Solution
- Step 1: Write the proportion equation
7,896,906,183.24 : 11,845,239,701.70 = 1,921,088,629.68 : x - Step 2: Convert to fraction form
7,896,906,183.24/11,845,239,701.70 = 1,921,088,629.68/x - Step 3: Cross multiply
7,896,906,183.24x = 11,845,239,701.70 × 1,921,088,629.68 - Step 4: Simplify right side
7,896,906,183.24x = 22,755,755,306,769,985,536 - Step 5: Solve for x
x = 22,755,755,306,769,985,536/7,896,906,183.24 - Step 6: Final answer
x = 2,881,603,855.83
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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.