Finding the Fourth Proportional to 4,137,372,436.40, 6,209,081,963.40 and 2,912,932,372.40
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Solution
The fourth proportional to 4,137,372,436.40, 6,209,081,963.40 and 2,912,932,372.40 is: 4,371,527,130.35
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,436.40 : 6,209,081,963.40 = 2,912,932,372.40 : x - Step 2: Convert to fraction form
4,137,372,436.40/6,209,081,963.40 = 2,912,932,372.40/x - Step 3: Cross multiply
4,137,372,436.40x = 6,209,081,963.40 × 2,912,932,372.40 - Step 4: Simplify right side
4,137,372,436.40x = 18,086,635,854,072,811,520 - Step 5: Solve for x
x = 18,086,635,854,072,811,520/4,137,372,436.40 - Step 6: Final answer
x = 4,371,527,130.35
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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.