Finding the Fourth Proportional to 523,056,018.44, 721,817,302.74 and 303,166,990.28
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Solution
The fourth proportional to 523,056,018.44, 721,817,302.74 and 303,166,990.28 is: 418,370,445.02
Step by Step Solution
- Step 1: Write the proportion equation
523,056,018.44 : 721,817,302.74 = 303,166,990.28 : x - Step 2: Convert to fraction form
523,056,018.44/721,817,302.74 = 303,166,990.28/x - Step 3: Cross multiply
523,056,018.44x = 721,817,302.74 × 303,166,990.28 - Step 4: Simplify right side
523,056,018.44x = 218,831,179,203,713,376 - Step 5: Solve for x
x = 218,831,179,203,713,376/523,056,018.44 - Step 6: Final answer
x = 418,370,445.02
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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.