Finding the Fourth Proportional to 1,160,486,042.40, 1,601,455,716.36 and 631,843,965
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Solution
The fourth proportional to 1,160,486,042.40, 1,601,455,716.36 and 631,843,965 is: 871,936,492.66
Step by Step Solution
- Step 1: Write the proportion equation
1,160,486,042.40 : 1,601,455,716.36 = 631,843,965 : x - Step 2: Convert to fraction form
1,160,486,042.40/1,601,455,716.36 = 631,843,965/x - Step 3: Cross multiply
1,160,486,042.40x = 1,601,455,716.36 × 631,843,965 - Step 4: Simplify right side
1,160,486,042.40x = 1,011,870,129,596,817,664 - Step 5: Solve for x
x = 1,011,870,129,596,817,664/1,160,486,042.40 - Step 6: Final answer
x = 871,936,492.66
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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.