Finding the Fourth Proportional to 811,503,593.53, 1,119,297,648.29 and 744,738,152.93
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Solution
The fourth proportional to 811,503,593.53, 1,119,297,648.29 and 744,738,152.93 is: 1,027,208,837.78
Step by Step Solution
- Step 1: Write the proportion equation
811,503,593.53 : 1,119,297,648.29 = 744,738,152.93 : x - Step 2: Convert to fraction form
811,503,593.53/1,119,297,648.29 = 744,738,152.93/x - Step 3: Cross multiply
811,503,593.53x = 1,119,297,648.29 × 744,738,152.93 - Step 4: Simplify right side
811,503,593.53x = 833,583,663,167,543,936 - Step 5: Solve for x
x = 833,583,663,167,543,936/811,503,593.53 - Step 6: Final answer
x = 1,027,208,837.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.