Finding the Fourth Proportional to 517,833,440.19, 777,056,614.29 and 190,538,795.13
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Solution
The fourth proportional to 517,833,440.19, 777,056,614.29 and 190,538,795.13 is: 285,920,953.62
Step by Step Solution
- Step 1: Write the proportion equation
517,833,440.19 : 777,056,614.29 = 190,538,795.13 : x - Step 2: Convert to fraction form
517,833,440.19/777,056,614.29 = 190,538,795.13/x - Step 3: Cross multiply
517,833,440.19x = 777,056,614.29 × 190,538,795.13 - Step 4: Simplify right side
517,833,440.19x = 148,059,431,034,613,728 - Step 5: Solve for x
x = 148,059,431,034,613,728/517,833,440.19 - Step 6: Final answer
x = 285,920,953.62
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1.5x scale
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.