Finding the Fourth Proportional to 373,252,071.36, 515,088,181.44 and 208,239,687.84
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Solution
The fourth proportional to 373,252,071.36, 515,088,181.44 and 208,239,687.84 is: 287,370,949.40
Step by Step Solution
- Step 1: Write the proportion equation
373,252,071.36 : 515,088,181.44 = 208,239,687.84 : x - Step 2: Convert to fraction form
373,252,071.36/515,088,181.44 = 208,239,687.84/x - Step 3: Cross multiply
373,252,071.36x = 515,088,181.44 × 208,239,687.84 - Step 4: Simplify right side
373,252,071.36x = 107,261,802,113,138,880 - Step 5: Solve for x
x = 107,261,802,113,138,880/373,252,071.36 - Step 6: Final answer
x = 287,370,949.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.