Finding the Fourth Proportional to 11,731,954,309.72, 16,190,403,790.12 and 6,379,827,692.87
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Solution
The fourth proportional to 11,731,954,309.72, 16,190,403,790.12 and 6,379,827,692.87 is: 8,804,329,076.99
Step by Step Solution
- Step 1: Write the proportion equation
11,731,954,309.72 : 16,190,403,790.12 = 6,379,827,692.87 : x - Step 2: Convert to fraction form
11,731,954,309.72/16,190,403,790.12 = 6,379,827,692.87/x - Step 3: Cross multiply
11,731,954,309.72x = 16,190,403,790.12 × 6,379,827,692.87 - Step 4: Simplify right side
11,731,954,309.72x = 103,291,986,458,982,711,296 - Step 5: Solve for x
x = 103,291,986,458,982,711,296/11,731,954,309.72 - Step 6: Final answer
x = 8,804,329,076.99
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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.