Finding the Fourth Proportional to 6,172,228,845.96, 8,517,909,938.93 and 3,459,546,789.68
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Solution
The fourth proportional to 6,172,228,845.96, 8,517,909,938.93 and 3,459,546,789.68 is: 4,774,305,800.94
Step by Step Solution
- Step 1: Write the proportion equation
6,172,228,845.96 : 8,517,909,938.93 = 3,459,546,789.68 : x - Step 2: Convert to fraction form
6,172,228,845.96/8,517,909,938.93 = 3,459,546,789.68/x - Step 3: Cross multiply
6,172,228,845.96x = 8,517,909,938.93 × 3,459,546,789.68 - Step 4: Simplify right side
6,172,228,845.96x = 29,468,107,984,008,646,656 - Step 5: Solve for x
x = 29,468,107,984,008,646,656/6,172,228,845.96 - Step 6: Final answer
x = 4,774,305,800.94
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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.