Finding the Fourth Proportional to 4,137,372,455.90, 6,209,081,992.65 and 2,912,932,391.90
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Solution
The fourth proportional to 4,137,372,455.90, 6,209,081,992.65 and 2,912,932,391.90 is: 4,371,527,159.60
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,455.90 : 6,209,081,992.65 = 2,912,932,391.90 : x - Step 2: Convert to fraction form
4,137,372,455.90/6,209,081,992.65 = 2,912,932,391.90/x - Step 3: Cross multiply
4,137,372,455.90x = 6,209,081,992.65 × 2,912,932,391.90 - Step 4: Simplify right side
4,137,372,455.90x = 18,086,636,060,353,181,696 - Step 5: Solve for x
x = 18,086,636,060,353,181,696/4,137,372,455.90 - Step 6: Final answer
x = 4,371,527,159.60
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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.