Finding the Fourth Proportional to 1,163,614,640.44, 1,605,822,115.68 and 635,012,674.63
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Solution
The fourth proportional to 1,163,614,640.44, 1,605,822,115.68 and 635,012,674.63 is: 876,335,997.52
Step by Step Solution
- Step 1: Write the proportion equation
1,163,614,640.44 : 1,605,822,115.68 = 635,012,674.63 : x - Step 2: Convert to fraction form
1,163,614,640.44/1,605,822,115.68 = 635,012,674.63/x - Step 3: Cross multiply
1,163,614,640.44x = 1,605,822,115.68 × 635,012,674.63 - Step 4: Simplify right side
1,163,614,640.44x = 1,019,717,396,657,962,112 - Step 5: Solve for x
x = 1,019,717,396,657,962,112/1,163,614,640.44 - Step 6: Final answer
x = 876,335,997.52
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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.