Finding the Fourth Proportional to 343,746,231.05, 474,381,257.10 and 193,065,440.58
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Solution
The fourth proportional to 343,746,231.05, 474,381,257.10 and 193,065,440.58 is: 266,436,743.54
Step by Step Solution
- Step 1: Write the proportion equation
343,746,231.05 : 474,381,257.10 = 193,065,440.58 : x - Step 2: Convert to fraction form
343,746,231.05/474,381,257.10 = 193,065,440.58/x - Step 3: Cross multiply
343,746,231.05x = 474,381,257.10 × 193,065,440.58 - Step 4: Simplify right side
343,746,231.05x = 91,586,626,404,181,760 - Step 5: Solve for x
x = 91,586,626,404,181,760/343,746,231.05 - Step 6: Final answer
x = 266,436,743.54
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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.