Finding the Fourth Proportional to 995,328,113.80, 1,492,992,170.70 and 510,702,910.60
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Solution
The fourth proportional to 995,328,113.80, 1,492,992,170.70 and 510,702,910.60 is: 766,054,365.90
Step by Step Solution
- Step 1: Write the proportion equation
995,328,113.80 : 1,492,992,170.70 = 510,702,910.60 : x - Step 2: Convert to fraction form
995,328,113.80/1,492,992,170.70 = 510,702,910.60/x - Step 3: Cross multiply
995,328,113.80x = 1,492,992,170.70 × 510,702,910.60 - Step 4: Simplify right side
995,328,113.80x = 762,475,447,079,502,080 - Step 5: Solve for x
x = 762,475,447,079,502,080/995,328,113.80 - Step 6: Final answer
x = 766,054,365.90
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Double scale
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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.