Finding the Fourth Proportional to 8,280,472,239.31, 12,424,587,047.86 and 4,081,135,842.02
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Solution
The fourth proportional to 8,280,472,239.31, 12,424,587,047.86 and 4,081,135,842.02 is: 6,123,615,424.08
Step by Step Solution
- Step 1: Write the proportion equation
8,280,472,239.31 : 12,424,587,047.86 = 4,081,135,842.02 : x - Step 2: Convert to fraction form
8,280,472,239.31/12,424,587,047.86 = 4,081,135,842.02/x - Step 3: Cross multiply
8,280,472,239.31x = 12,424,587,047.86 × 4,081,135,842.02 - Step 4: Simplify right side
8,280,472,239.31x = 50,706,427,523,318,906,880 - Step 5: Solve for x
x = 50,706,427,523,318,906,880/8,280,472,239.31 - Step 6: Final answer
x = 6,123,615,424.08
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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.