Finding the Fourth Proportional to 4,137,372,262.40, 6,209,081,702.40 and 2,912,932,198.40
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Solution
The fourth proportional to 4,137,372,262.40, 6,209,081,702.40 and 2,912,932,198.40 is: 4,371,526,869.31
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,262.40 : 6,209,081,702.40 = 2,912,932,198.40 : x - Step 2: Convert to fraction form
4,137,372,262.40/6,209,081,702.40 = 2,912,932,198.40/x - Step 3: Cross multiply
4,137,372,262.40x = 6,209,081,702.40 × 2,912,932,198.40 - Step 4: Simplify right side
4,137,372,262.40x = 18,086,634,013,417,246,720 - Step 5: Solve for x
x = 18,086,634,013,417,246,720/4,137,372,262.40 - Step 6: Final answer
x = 4,371,526,869.31
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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.