Finding the Fourth Proportional to 665,304,107.52, 918,082,517.04 and 363,829,927.02
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Solution
The fourth proportional to 665,304,107.52, 918,082,517.04 and 363,829,927.02 is: 502,064,982.61
Step by Step Solution
- Step 1: Write the proportion equation
665,304,107.52 : 918,082,517.04 = 363,829,927.02 : x - Step 2: Convert to fraction form
665,304,107.52/918,082,517.04 = 363,829,927.02/x - Step 3: Cross multiply
665,304,107.52x = 918,082,517.04 × 363,829,927.02 - Step 4: Simplify right side
665,304,107.52x = 334,025,895,173,001,088 - Step 5: Solve for x
x = 334,025,895,173,001,088/665,304,107.52 - Step 6: Final answer
x = 502,064,982.61
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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.