Finding the Fourth Proportional to 5,328,945,789.23, 7,353,653,845.99 and 2,917,161,720.60
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Solution
The fourth proportional to 5,328,945,789.23, 7,353,653,845.99 and 2,917,161,720.60 is: 4,025,523,687.90
Step by Step Solution
- Step 1: Write the proportion equation
5,328,945,789.23 : 7,353,653,845.99 = 2,917,161,720.60 : x - Step 2: Convert to fraction form
5,328,945,789.23/7,353,653,845.99 = 2,917,161,720.60/x - Step 3: Cross multiply
5,328,945,789.23x = 7,353,653,845.99 × 2,917,161,720.60 - Step 4: Simplify right side
5,328,945,789.23x = 21,451,797,506,064,994,304 - Step 5: Solve for x
x = 21,451,797,506,064,994,304/5,328,945,789.23 - Step 6: Final answer
x = 4,025,523,687.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.