Finding the Fourth Proportional to 8,238,727,142.40, 12,348,535,564.80 and 3,328,176,921.60
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Solution
The fourth proportional to 8,238,727,142.40, 12,348,535,564.80 and 3,328,176,921.60 is: 4,988,405,414.09
Step by Step Solution
- Step 1: Write the proportion equation
8,238,727,142.40 : 12,348,535,564.80 = 3,328,176,921.60 : x - Step 2: Convert to fraction form
8,238,727,142.40/12,348,535,564.80 = 3,328,176,921.60/x - Step 3: Cross multiply
8,238,727,142.40x = 12,348,535,564.80 × 3,328,176,921.60 - Step 4: Simplify right side
8,238,727,142.40x = 41,098,111,082,324,180,992 - Step 5: Solve for x
x = 41,098,111,082,324,180,992/8,238,727,142.40 - Step 6: Final answer
x = 4,988,405,414.09
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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.