Finding the Fourth Proportional to 1,163,710,796.48, 1,605,954,913.63 and 635,108,707.97
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Solution
The fourth proportional to 1,163,710,796.48, 1,605,954,913.63 and 635,108,707.97 is: 876,468,580.80
Step by Step Solution
- Step 1: Write the proportion equation
1,163,710,796.48 : 1,605,954,913.63 = 635,108,707.97 : x - Step 2: Convert to fraction form
1,163,710,796.48/1,605,954,913.63 = 635,108,707.97/x - Step 3: Cross multiply
1,163,710,796.48x = 1,605,954,913.63 × 635,108,707.97 - Step 4: Simplify right side
1,163,710,796.48x = 1,019,955,950,244,004,736 - Step 5: Solve for x
x = 1,019,955,950,244,004,736/1,163,710,796.48 - Step 6: Final answer
x = 876,468,580.80
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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.