Finding the Fourth Proportional to 672,141,283.68, 927,532,054.56 and 370,738,537.44
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Solution
The fourth proportional to 672,141,283.68, 927,532,054.56 and 370,738,537.44 is: 511,606,541.19
Step by Step Solution
- Step 1: Write the proportion equation
672,141,283.68 : 927,532,054.56 = 370,738,537.44 : x - Step 2: Convert to fraction form
672,141,283.68/927,532,054.56 = 370,738,537.44/x - Step 3: Cross multiply
672,141,283.68x = 927,532,054.56 × 370,738,537.44 - Step 4: Simplify right side
672,141,283.68x = 343,871,877,336,292,672 - Step 5: Solve for x
x = 343,871,877,336,292,672/672,141,283.68 - Step 6: Final answer
x = 511,606,541.19
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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.