Finding the Fourth Proportional to 1,488,662,214.40, 2,232,993,321.60 and 1,465,703,963.20
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Solution
The fourth proportional to 1,488,662,214.40, 2,232,993,321.60 and 1,465,703,963.20 is: 2,198,555,944.80
Step by Step Solution
- Step 1: Write the proportion equation
1,488,662,214.40 : 2,232,993,321.60 = 1,465,703,963.20 : x - Step 2: Convert to fraction form
1,488,662,214.40/2,232,993,321.60 = 1,465,703,963.20/x - Step 3: Cross multiply
1,488,662,214.40x = 2,232,993,321.60 × 1,465,703,963.20 - Step 4: Simplify right side
1,488,662,214.40x = 3,272,907,161,268,252,160 - Step 5: Solve for x
x = 3,272,907,161,268,252,160/1,488,662,214.40 - Step 6: Final answer
x = 2,198,555,944.80
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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.