Finding the Fourth Proportional to 336,344,779.80, 504,517,169.70 and 154,946,251.80
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Solution
The fourth proportional to 336,344,779.80, 504,517,169.70 and 154,946,251.80 is: 232,419,377.70
Step by Step Solution
- Step 1: Write the proportion equation
336,344,779.80 : 504,517,169.70 = 154,946,251.80 : x - Step 2: Convert to fraction form
336,344,779.80/504,517,169.70 = 154,946,251.80/x - Step 3: Cross multiply
336,344,779.80x = 504,517,169.70 × 154,946,251.80 - Step 4: Simplify right side
336,344,779.80x = 78,173,044,413,759,536 - Step 5: Solve for x
x = 78,173,044,413,759,536/336,344,779.80 - Step 6: Final answer
x = 232,419,377.70
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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.