Finding the Fourth Proportional to 4,949,313,192.45, 6,830,087,736.38 and 2,691,236,538.09
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Solution
The fourth proportional to 4,949,313,192.45, 6,830,087,736.38 and 2,691,236,538.09 is: 3,713,925,742.77
Step by Step Solution
- Step 1: Write the proportion equation
4,949,313,192.45 : 6,830,087,736.38 = 2,691,236,538.09 : x - Step 2: Convert to fraction form
4,949,313,192.45/6,830,087,736.38 = 2,691,236,538.09/x - Step 3: Cross multiply
4,949,313,192.45x = 6,830,087,736.38 × 2,691,236,538.09 - Step 4: Simplify right side
4,949,313,192.45x = 18,381,381,674,492,821,504 - Step 5: Solve for x
x = 18,381,381,674,492,821,504/4,949,313,192.45 - Step 6: Final answer
x = 3,713,925,742.77
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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.