Finding the Fourth Proportional to 271,389,718.63, 374,599,689.47 and 234,615,043.67
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Solution
The fourth proportional to 271,389,718.63, 374,599,689.47 and 234,615,043.67 is: 323,839,543.18
Step by Step Solution
- Step 1: Write the proportion equation
271,389,718.63 : 374,599,689.47 = 234,615,043.67 : x - Step 2: Convert to fraction form
271,389,718.63/374,599,689.47 = 234,615,043.67/x - Step 3: Cross multiply
271,389,718.63x = 374,599,689.47 × 234,615,043.67 - Step 4: Simplify right side
271,389,718.63x = 87,886,722,505,036,112 - Step 5: Solve for x
x = 87,886,722,505,036,112/271,389,718.63 - Step 6: Final answer
x = 323,839,543.18
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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.