Finding the Fourth Proportional to 18,326,058,368.37, 27,489,087,552.55 and 7,284,574,431.87
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Solution
The fourth proportional to 18,326,058,368.37, 27,489,087,552.55 and 7,284,574,431.87 is: 10,926,861,647.80
Step by Step Solution
- Step 1: Write the proportion equation
18,326,058,368.37 : 27,489,087,552.55 = 7,284,574,431.87 : x - Step 2: Convert to fraction form
18,326,058,368.37/27,489,087,552.55 = 7,284,574,431.87/x - Step 3: Cross multiply
18,326,058,368.37x = 27,489,087,552.55 × 7,284,574,431.87 - Step 4: Simplify right side
18,326,058,368.37x = 200,246,304,340,604,157,952 - Step 5: Solve for x
x = 200,246,304,340,604,157,952/18,326,058,368.37 - Step 6: Final answer
x = 10,926,861,647.80
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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.