Finding the Fourth Proportional to 4,018,211,391.48, 5,545,442,328.84 and 2,410,726,881.30
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Solution
The fourth proportional to 4,018,211,391.48, 5,545,442,328.84 and 2,410,726,881.30 is: 3,326,989,445.90
Step by Step Solution
- Step 1: Write the proportion equation
4,018,211,391.48 : 5,545,442,328.84 = 2,410,726,881.30 : x - Step 2: Convert to fraction form
4,018,211,391.48/5,545,442,328.84 = 2,410,726,881.30/x - Step 3: Cross multiply
4,018,211,391.48x = 5,545,442,328.84 × 2,410,726,881.30 - Step 4: Simplify right side
4,018,211,391.48x = 13,368,546,890,833,463,296 - Step 5: Solve for x
x = 13,368,546,890,833,463,296/4,018,211,391.48 - Step 6: Final answer
x = 3,326,989,445.90
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1.5x scale
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.