Finding the Fourth Proportional to 2,288,403,213.60, 3,432,604,820.40 and 565,117,197.60
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Solution
The fourth proportional to 2,288,403,213.60, 3,432,604,820.40 and 565,117,197.60 is: 847,675,796.40
Step by Step Solution
- Step 1: Write the proportion equation
2,288,403,213.60 : 3,432,604,820.40 = 565,117,197.60 : x - Step 2: Convert to fraction form
2,288,403,213.60/3,432,604,820.40 = 565,117,197.60/x - Step 3: Cross multiply
2,288,403,213.60x = 3,432,604,820.40 × 565,117,197.60 - Step 4: Simplify right side
2,288,403,213.60x = 1,939,824,016,572,699,392 - Step 5: Solve for x
x = 1,939,824,016,572,699,392/2,288,403,213.60 - Step 6: Final answer
x = 847,675,796.40
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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.