Finding the Fourth Proportional to 4,137,372,288.40, 6,209,081,741.40 and 2,912,932,224.40
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Solution
The fourth proportional to 4,137,372,288.40, 6,209,081,741.40 and 2,912,932,224.40 is: 4,371,526,908.32
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,288.40 : 6,209,081,741.40 = 2,912,932,224.40 : x - Step 2: Convert to fraction form
4,137,372,288.40/6,209,081,741.40 = 2,912,932,224.40/x - Step 3: Cross multiply
4,137,372,288.40x = 6,209,081,741.40 × 2,912,932,224.40 - Step 4: Simplify right side
4,137,372,288.40x = 18,086,634,288,457,728,000 - Step 5: Solve for x
x = 18,086,634,288,457,728,000/4,137,372,288.40 - Step 6: Final answer
x = 4,371,526,908.32
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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.