Finding the Fourth Proportional to 1,163,710,748.07, 1,605,954,847.19 and 635,108,659.97
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Solution
The fourth proportional to 1,163,710,748.07, 1,605,954,847.19 and 635,108,659.97 is: 876,468,514.75
Step by Step Solution
- Step 1: Write the proportion equation
1,163,710,748.07 : 1,605,954,847.19 = 635,108,659.97 : x - Step 2: Convert to fraction form
1,163,710,748.07/1,605,954,847.19 = 635,108,659.97/x - Step 3: Cross multiply
1,163,710,748.07x = 1,605,954,847.19 × 635,108,659.97 - Step 4: Simplify right side
1,163,710,748.07x = 1,019,955,830,959,961,728 - Step 5: Solve for x
x = 1,019,955,830,959,961,728/1,163,710,748.07 - Step 6: Final answer
x = 876,468,514.75
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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.