Finding the Fourth Proportional to 576,586,534.68, 865,027,227.96 and 167,642,685.18
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Solution
The fourth proportional to 576,586,534.68, 865,027,227.96 and 167,642,685.18 is: 251,506,891.90
Step by Step Solution
- Step 1: Write the proportion equation
576,586,534.68 : 865,027,227.96 = 167,642,685.18 : x - Step 2: Convert to fraction form
576,586,534.68/865,027,227.96 = 167,642,685.18/x - Step 3: Cross multiply
576,586,534.68x = 865,027,227.96 × 167,642,685.18 - Step 4: Simplify right side
576,586,534.68x = 145,015,487,249,026,400 - Step 5: Solve for x
x = 145,015,487,249,026,400/576,586,534.68 - Step 6: Final answer
x = 251,506,891.90
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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.