Finding the Fourth Proportional to 2,232,864,518.88, 3,081,296,716.12 and 1,229,272,069.76
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Solution
The fourth proportional to 2,232,864,518.88, 3,081,296,716.12 and 1,229,272,069.76 is: 1,696,364,450.12
Step by Step Solution
- Step 1: Write the proportion equation
2,232,864,518.88 : 3,081,296,716.12 = 1,229,272,069.76 : x - Step 2: Convert to fraction form
2,232,864,518.88/3,081,296,716.12 = 1,229,272,069.76/x - Step 3: Cross multiply
2,232,864,518.88x = 3,081,296,716.12 × 1,229,272,069.76 - Step 4: Simplify right side
2,232,864,518.88x = 3,787,751,991,769,523,200 - Step 5: Solve for x
x = 3,787,751,991,769,523,200/2,232,864,518.88 - Step 6: Final answer
x = 1,696,364,450.12
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1.5x scale
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.