Finding the Fourth Proportional to 2,794,752,383.60, 4,192,128,575.40 and 2,149,779,839.60
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Solution
The fourth proportional to 2,794,752,383.60, 4,192,128,575.40 and 2,149,779,839.60 is: 3,224,669,759.40
Step by Step Solution
- Step 1: Write the proportion equation
2,794,752,383.60 : 4,192,128,575.40 = 2,149,779,839.60 : x - Step 2: Convert to fraction form
2,794,752,383.60/4,192,128,575.40 = 2,149,779,839.60/x - Step 3: Cross multiply
2,794,752,383.60x = 4,192,128,575.40 × 2,149,779,839.60 - Step 4: Simplify right side
2,794,752,383.60x = 9,012,153,496,405,988,352 - Step 5: Solve for x
x = 9,012,153,496,405,988,352/2,794,752,383.60 - Step 6: Final answer
x = 3,224,669,759.40
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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.