Finding the Fourth Proportional to 4,137,372,279.40, 6,209,081,727.90 and 2,912,932,215.40
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Solution
The fourth proportional to 4,137,372,279.40, 6,209,081,727.90 and 2,912,932,215.40 is: 4,371,526,894.81
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,279.40 : 6,209,081,727.90 = 2,912,932,215.40 : x - Step 2: Convert to fraction form
4,137,372,279.40/6,209,081,727.90 = 2,912,932,215.40/x - Step 3: Cross multiply
4,137,372,279.40x = 6,209,081,727.90 × 2,912,932,215.40 - Step 4: Simplify right side
4,137,372,279.40x = 18,086,634,193,251,405,824 - Step 5: Solve for x
x = 18,086,634,193,251,405,824/4,137,372,279.40 - Step 6: Final answer
x = 4,371,526,894.81
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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.