Finding the Fourth Proportional to 543,998,102.79, 816,157,250.81 and 175,526,142.65
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Solution
The fourth proportional to 543,998,102.79, 816,157,250.81 and 175,526,142.65 is: 263,340,870.66
Step by Step Solution
- Step 1: Write the proportion equation
543,998,102.79 : 816,157,250.81 = 175,526,142.65 : x - Step 2: Convert to fraction form
543,998,102.79/816,157,250.81 = 175,526,142.65/x - Step 3: Cross multiply
543,998,102.79x = 816,157,250.81 × 175,526,142.65 - Step 4: Simplify right side
543,998,102.79x = 143,256,934,029,268,288 - Step 5: Solve for x
x = 143,256,934,029,268,288/543,998,102.79 - Step 6: Final answer
x = 263,340,870.66
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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.