Finding the Fourth Proportional to 284,364,257.14, 392,424,125.98 and 158,918,546.76
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Solution
The fourth proportional to 284,364,257.14, 392,424,125.98 and 158,918,546.76 is: 219,308,405.50
Step by Step Solution
- Step 1: Write the proportion equation
284,364,257.14 : 392,424,125.98 = 158,918,546.76 : x - Step 2: Convert to fraction form
284,364,257.14/392,424,125.98 = 158,918,546.76/x - Step 3: Cross multiply
284,364,257.14x = 392,424,125.98 × 158,918,546.76 - Step 4: Simplify right side
284,364,257.14x = 62,363,471,813,510,168 - Step 5: Solve for x
x = 62,363,471,813,510,168/284,364,257.14 - Step 6: Final answer
x = 219,308,405.50
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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.