Finding the Fourth Proportional to 995,331,651.70, 1,492,997,477.55 and 834,088,515.70
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Solution
The fourth proportional to 995,331,651.70, 1,492,997,477.55 and 834,088,515.70 is: 1,251,132,773.55
Step by Step Solution
- Step 1: Write the proportion equation
995,331,651.70 : 1,492,997,477.55 = 834,088,515.70 : x - Step 2: Convert to fraction form
995,331,651.70/1,492,997,477.55 = 834,088,515.70/x - Step 3: Cross multiply
995,331,651.70x = 1,492,997,477.55 × 834,088,515.70 - Step 4: Simplify right side
995,331,651.70x = 1,245,292,049,993,523,712 - Step 5: Solve for x
x = 1,245,292,049,993,523,712/995,331,651.70 - Step 6: Final answer
x = 1,251,132,773.55
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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.