Finding the Fourth Proportional to 284,364,256.56, 392,424,125.18 and 158,918,546.18
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Solution
The fourth proportional to 284,364,256.56, 392,424,125.18 and 158,918,546.18 is: 219,308,404.70
Step by Step Solution
- Step 1: Write the proportion equation
284,364,256.56 : 392,424,125.18 = 158,918,546.18 : x - Step 2: Convert to fraction form
284,364,256.56/392,424,125.18 = 158,918,546.18/x - Step 3: Cross multiply
284,364,256.56x = 392,424,125.18 × 158,918,546.18 - Step 4: Simplify right side
284,364,256.56x = 62,363,471,459,949,048 - Step 5: Solve for x
x = 62,363,471,459,949,048/284,364,256.56 - Step 6: Final answer
x = 219,308,404.70
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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.