Finding the Fourth Proportional to 1,163,852,475.65, 1,606,093,650.15 and 635,220,251.09
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Solution
The fourth proportional to 1,163,852,475.65, 1,606,093,650.15 and 635,220,251.09 is: 876,591,520.89
Step by Step Solution
- Step 1: Write the proportion equation
1,163,852,475.65 : 1,606,093,650.15 = 635,220,251.09 : x - Step 2: Convert to fraction form
1,163,852,475.65/1,606,093,650.15 = 635,220,251.09/x - Step 3: Cross multiply
1,163,852,475.65x = 1,606,093,650.15 × 635,220,251.09 - Step 4: Simplify right side
1,163,852,475.65x = 1,020,223,211,714,307,328 - Step 5: Solve for x
x = 1,020,223,211,714,307,328/1,163,852,475.65 - Step 6: Final answer
x = 876,591,520.89
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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.