Finding the Fourth Proportional to 672,188,028.50, 927,635,881.84 and 374,827,368.44
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Solution
The fourth proportional to 672,188,028.50, 927,635,881.84 and 374,827,368.44 is: 517,270,914.86
Step by Step Solution
- Step 1: Write the proportion equation
672,188,028.50 : 927,635,881.84 = 374,827,368.44 : x - Step 2: Convert to fraction form
672,188,028.50/927,635,881.84 = 374,827,368.44/x - Step 3: Cross multiply
672,188,028.50x = 927,635,881.84 × 374,827,368.44 - Step 4: Simplify right side
672,188,028.50x = 347,703,316,460,606,016 - Step 5: Solve for x
x = 347,703,316,460,606,016/672,188,028.50 - Step 6: Final answer
x = 517,270,914.86
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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.