Finding the Fourth Proportional to 5,442,932,799.12, 8,157,766,347 and 2,821,291,568.40
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Solution
The fourth proportional to 5,442,932,799.12, 8,157,766,347 and 2,821,291,568.40 is: 4,228,499,278.09
Step by Step Solution
- Step 1: Write the proportion equation
5,442,932,799.12 : 8,157,766,347 = 2,821,291,568.40 : x - Step 2: Convert to fraction form
5,442,932,799.12/8,157,766,347 = 2,821,291,568.40/x - Step 3: Cross multiply
5,442,932,799.12x = 8,157,766,347 × 2,821,291,568.40 - Step 4: Simplify right side
5,442,932,799.12x = 23,015,437,411,768,369,152 - Step 5: Solve for x
x = 23,015,437,411,768,369,152/5,442,932,799.12 - Step 6: Final answer
x = 4,228,499,278.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.