Finding the Fourth Proportional to 7,896,906,180.24, 11,845,239,697.20 and 1,921,088,626.68
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Solution
The fourth proportional to 7,896,906,180.24, 11,845,239,697.20 and 1,921,088,626.68 is: 2,881,603,851.33
Step by Step Solution
- Step 1: Write the proportion equation
7,896,906,180.24 : 11,845,239,697.20 = 1,921,088,626.68 : x - Step 2: Convert to fraction form
7,896,906,180.24/11,845,239,697.20 = 1,921,088,626.68/x - Step 3: Cross multiply
7,896,906,180.24x = 11,845,239,697.20 × 1,921,088,626.68 - Step 4: Simplify right side
7,896,906,180.24x = 22,755,755,262,589,370,368 - Step 5: Solve for x
x = 22,755,755,262,589,370,368/7,896,906,180.24 - Step 6: Final answer
x = 2,881,603,851.33
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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.