Finding the Fourth Proportional to 3,629,251,955.13, 5,008,173,397.77 and 1,999,724,216.76
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Solution
The fourth proportional to 3,629,251,955.13, 5,008,173,397.77 and 1,999,724,216.76 is: 2,759,512,359.32
Step by Step Solution
- Step 1: Write the proportion equation
3,629,251,955.13 : 5,008,173,397.77 = 1,999,724,216.76 : x - Step 2: Convert to fraction form
3,629,251,955.13/5,008,173,397.77 = 1,999,724,216.76/x - Step 3: Cross multiply
3,629,251,955.13x = 5,008,173,397.77 × 1,999,724,216.76 - Step 4: Simplify right side
3,629,251,955.13x = 10,014,965,625,253,881,856 - Step 5: Solve for x
x = 10,014,965,625,253,881,856/3,629,251,955.13 - Step 6: Final answer
x = 2,759,512,359.32
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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.