Finding the Fourth Proportional to 809,909,207,619.44, 1,214,013,393,183.80 and 272,500,593,967.70
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Solution
The fourth proportional to 809,909,207,619.44, 1,214,013,393,183.80 and 272,500,593,967.70 is: 408,464,760,759.67
Step by Step Solution
- Step 1: Write the proportion equation
809,909,207,619.44 : 1,214,013,393,183.80 = 272,500,593,967.70 : x - Step 2: Convert to fraction form
809,909,207,619.44/1,214,013,393,183.80 = 272,500,593,967.70/x - Step 3: Cross multiply
809,909,207,619.44x = 1,214,013,393,183.80 × 272,500,593,967.70 - Step 4: Simplify right side
809,909,207,619.44x = 330,819,370,727,328,450,609,152 - Step 5: Solve for x
x = 330,819,370,727,328,450,609,152/809,909,207,619.44 - Step 6: Final answer
x = 408,464,760,759.67
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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.