Finding the Fourth Proportional to 1,517,154,502.40, 2,275,731,753.60 and 993,366,252.80
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Solution
The fourth proportional to 1,517,154,502.40, 2,275,731,753.60 and 993,366,252.80 is: 1,490,049,379.20
Step by Step Solution
- Step 1: Write the proportion equation
1,517,154,502.40 : 2,275,731,753.60 = 993,366,252.80 : x - Step 2: Convert to fraction form
1,517,154,502.40/2,275,731,753.60 = 993,366,252.80/x - Step 3: Cross multiply
1,517,154,502.40x = 2,275,731,753.60 × 993,366,252.80 - Step 4: Simplify right side
1,517,154,502.40x = 2,260,635,124,451,604,736 - Step 5: Solve for x
x = 2,260,635,124,451,604,736/1,517,154,502.40 - Step 6: Final answer
x = 1,490,049,379.20
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1.5x scale
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.