Finding the Fourth Proportional to 18,326,058,373.12, 27,489,087,559.68 and 7,284,574,436.62
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Solution
The fourth proportional to 18,326,058,373.12, 27,489,087,559.68 and 7,284,574,436.62 is: 10,926,861,654.92
Step by Step Solution
- Step 1: Write the proportion equation
18,326,058,373.12 : 27,489,087,559.68 = 7,284,574,436.62 : x - Step 2: Convert to fraction form
18,326,058,373.12/27,489,087,559.68 = 7,284,574,436.62/x - Step 3: Cross multiply
18,326,058,373.12x = 27,489,087,559.68 × 7,284,574,436.62 - Step 4: Simplify right side
18,326,058,373.12x = 200,246,304,523,079,909,376 - Step 5: Solve for x
x = 200,246,304,523,079,909,376/18,326,058,373.12 - Step 6: Final answer
x = 10,926,861,654.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.