Finding the Fourth Proportional to 1,537,344,446.32, 2,305,539,736.44 and 554,643,236.08
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Solution
The fourth proportional to 1,537,344,446.32, 2,305,539,736.44 and 554,643,236.08 is: 831,792,786.18
Step by Step Solution
- Step 1: Write the proportion equation
1,537,344,446.32 : 2,305,539,736.44 = 554,643,236.08 : x - Step 2: Convert to fraction form
1,537,344,446.32/2,305,539,736.44 = 554,643,236.08/x - Step 3: Cross multiply
1,537,344,446.32x = 2,305,539,736.44 × 554,643,236.08 - Step 4: Simplify right side
1,537,344,446.32x = 1,278,752,020,330,112,000 - Step 5: Solve for x
x = 1,278,752,020,330,112,000/1,537,344,446.32 - Step 6: Final answer
x = 831,792,786.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.