Finding the Fourth Proportional to 1,771,488,022.40, 2,657,232,033.60 and 944,990,979.20
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Solution
The fourth proportional to 1,771,488,022.40, 2,657,232,033.60 and 944,990,979.20 is: 1,417,486,468.80
Step by Step Solution
- Step 1: Write the proportion equation
1,771,488,022.40 : 2,657,232,033.60 = 944,990,979.20 : x - Step 2: Convert to fraction form
1,771,488,022.40/2,657,232,033.60 = 944,990,979.20/x - Step 3: Cross multiply
1,771,488,022.40x = 2,657,232,033.60 × 944,990,979.20 - Step 4: Simplify right side
1,771,488,022.40x = 2,511,060,301,393,271,296 - Step 5: Solve for x
x = 2,511,060,301,393,271,296/1,771,488,022.40 - Step 6: Final answer
x = 1,417,486,468.80
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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.