Finding the Fourth Proportional to 995,328,742.40, 1,492,993,113.60 and 559,972,275.20
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Solution
The fourth proportional to 995,328,742.40, 1,492,993,113.60 and 559,972,275.20 is: 839,958,412.80
Step by Step Solution
- Step 1: Write the proportion equation
995,328,742.40 : 1,492,993,113.60 = 559,972,275.20 : x - Step 2: Convert to fraction form
995,328,742.40/1,492,993,113.60 = 559,972,275.20/x - Step 3: Cross multiply
995,328,742.40x = 1,492,993,113.60 × 559,972,275.20 - Step 4: Simplify right side
995,328,742.40x = 836,034,750,680,524,032 - Step 5: Solve for x
x = 836,034,750,680,524,032/995,328,742.40 - Step 6: Final answer
x = 839,958,412.80
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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.