Finding the Fourth Proportional to 1,496,029,515.10, 2,244,044,272.65 and 405,512,583.10
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Solution
The fourth proportional to 1,496,029,515.10, 2,244,044,272.65 and 405,512,583.10 is: 608,268,874.65
Step by Step Solution
- Step 1: Write the proportion equation
1,496,029,515.10 : 2,244,044,272.65 = 405,512,583.10 : x - Step 2: Convert to fraction form
1,496,029,515.10/2,244,044,272.65 = 405,512,583.10/x - Step 3: Cross multiply
1,496,029,515.10x = 2,244,044,272.65 × 405,512,583.10 - Step 4: Simplify right side
1,496,029,515.10x = 909,988,189,593,062,272 - Step 5: Solve for x
x = 909,988,189,593,062,272/1,496,029,515.10 - Step 6: Final answer
x = 608,268,874.65
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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.