Finding the Fourth Proportional to 2,746,675,687.52, 3,790,512,126.96 and 1,573,480,707.68
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Solution
The fourth proportional to 2,746,675,687.52, 3,790,512,126.96 and 1,573,480,707.68 is: 2,171,460,478.97
Step by Step Solution
- Step 1: Write the proportion equation
2,746,675,687.52 : 3,790,512,126.96 = 1,573,480,707.68 : x - Step 2: Convert to fraction form
2,746,675,687.52/3,790,512,126.96 = 1,573,480,707.68/x - Step 3: Cross multiply
2,746,675,687.52x = 3,790,512,126.96 × 1,573,480,707.68 - Step 4: Simplify right side
2,746,675,687.52x = 5,964,297,703,998,643,200 - Step 5: Solve for x
x = 5,964,297,703,998,643,200/2,746,675,687.52 - Step 6: Final answer
x = 2,171,460,478.97
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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.