Finding the Fourth Proportional to 3,589,509,195.84, 4,954,349,187.72 and 2,104,875,618.24
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Solution
The fourth proportional to 3,589,509,195.84, 4,954,349,187.72 and 2,104,875,618.24 is: 2,905,213,008.39
Step by Step Solution
- Step 1: Write the proportion equation
3,589,509,195.84 : 4,954,349,187.72 = 2,104,875,618.24 : x - Step 2: Convert to fraction form
3,589,509,195.84/4,954,349,187.72 = 2,104,875,618.24/x - Step 3: Cross multiply
3,589,509,195.84x = 4,954,349,187.72 × 2,104,875,618.24 - Step 4: Simplify right side
3,589,509,195.84x = 10,428,288,809,478,977,536 - Step 5: Solve for x
x = 10,428,288,809,478,977,536/3,589,509,195.84 - Step 6: Final answer
x = 2,905,213,008.39
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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.