Finding the Fourth Proportional to 995,328,799.20, 1,492,993,199.60 and 608,345,272.80
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Solution
The fourth proportional to 995,328,799.20, 1,492,993,199.60 and 608,345,272.80 is: 912,517,909.69
Step by Step Solution
- Step 1: Write the proportion equation
995,328,799.20 : 1,492,993,199.60 = 608,345,272.80 : x - Step 2: Convert to fraction form
995,328,799.20/1,492,993,199.60 = 608,345,272.80/x - Step 3: Cross multiply
995,328,799.20x = 1,492,993,199.60 × 608,345,272.80 - Step 4: Simplify right side
995,328,799.20x = 908,255,355,299,206,784 - Step 5: Solve for x
x = 908,255,355,299,206,784/995,328,799.20 - Step 6: Final answer
x = 912,517,909.69
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Similar ratio
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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.