Finding the Fourth Proportional to 19,845,590,934, 29,747,189,350.99 and 11,318,615,415.54
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Solution
The fourth proportional to 19,845,590,934, 29,747,189,350.99 and 11,318,615,415.54 is: 16,965,833,724.82
Step by Step Solution
- Step 1: Write the proportion equation
19,845,590,934 : 29,747,189,350.99 = 11,318,615,415.54 : x - Step 2: Convert to fraction form
19,845,590,934/29,747,189,350.99 = 11,318,615,415.54/x - Step 3: Cross multiply
19,845,590,934x = 29,747,189,350.99 × 11,318,615,415.54 - Step 4: Simplify right side
19,845,590,934x = 336,696,995,957,102,804,992 - Step 5: Solve for x
x = 336,696,995,957,102,804,992/19,845,590,934 - Step 6: Final answer
x = 16,965,833,724.82
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1.5x scale
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.