Finding the Fourth Proportional to 3,808,751,953.94, 5,255,601,753.29 and 2,114,976,307.20
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Solution
The fourth proportional to 3,808,751,953.94, 5,255,601,753.29 and 2,114,976,307.20 is: 2,918,403,015.66
Step by Step Solution
- Step 1: Write the proportion equation
3,808,751,953.94 : 5,255,601,753.29 = 2,114,976,307.20 : x - Step 2: Convert to fraction form
3,808,751,953.94/5,255,601,753.29 = 2,114,976,307.20/x - Step 3: Cross multiply
3,808,751,953.94x = 5,255,601,753.29 × 2,114,976,307.20 - Step 4: Simplify right side
3,808,751,953.94x = 11,115,473,188,287,129,600 - Step 5: Solve for x
x = 11,115,473,188,287,129,600/3,808,751,953.94 - Step 6: Final answer
x = 2,918,403,015.66
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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.