Finding the Fourth Proportional to 3,716,489,674.17, 5,128,891,071.20 and 2,022,862,459.26
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Solution
The fourth proportional to 3,716,489,674.17, 5,128,891,071.20 and 2,022,862,459.26 is: 2,791,623,848.08
Step by Step Solution
- Step 1: Write the proportion equation
3,716,489,674.17 : 5,128,891,071.20 = 2,022,862,459.26 : x - Step 2: Convert to fraction form
3,716,489,674.17/5,128,891,071.20 = 2,022,862,459.26/x - Step 3: Cross multiply
3,716,489,674.17x = 5,128,891,071.20 × 2,022,862,459.26 - Step 4: Simplify right side
3,716,489,674.17x = 10,375,041,205,564,360,704 - Step 5: Solve for x
x = 10,375,041,205,564,360,704/3,716,489,674.17 - Step 6: Final answer
x = 2,791,623,848.08
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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.