Finding the Fourth Proportional to 18,326,058,455.80, 27,489,087,683.70 and 7,284,574,519.30
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Solution
The fourth proportional to 18,326,058,455.80, 27,489,087,683.70 and 7,284,574,519.30 is: 10,926,861,778.95
Step by Step Solution
- Step 1: Write the proportion equation
18,326,058,455.80 : 27,489,087,683.70 = 7,284,574,519.30 : x - Step 2: Convert to fraction form
18,326,058,455.80/27,489,087,683.70 = 7,284,574,519.30/x - Step 3: Cross multiply
18,326,058,455.80x = 27,489,087,683.70 × 7,284,574,519.30 - Step 4: Simplify right side
18,326,058,455.80x = 200,246,307,699,484,491,776 - Step 5: Solve for x
x = 200,246,307,699,484,491,776/18,326,058,455.80 - Step 6: Final answer
x = 10,926,861,778.95
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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.