Finding the Fourth Proportional to 7,801,393,759.60, 11,702,090,639.40 and 4,495,405,586.80
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Solution
The fourth proportional to 7,801,393,759.60, 11,702,090,639.40 and 4,495,405,586.80 is: 6,743,108,380.20
Step by Step Solution
- Step 1: Write the proportion equation
7,801,393,759.60 : 11,702,090,639.40 = 4,495,405,586.80 : x - Step 2: Convert to fraction form
7,801,393,759.60/11,702,090,639.40 = 4,495,405,586.80/x - Step 3: Cross multiply
7,801,393,759.60x = 11,702,090,639.40 × 4,495,405,586.80 - Step 4: Simplify right side
7,801,393,759.60x = 52,605,643,637,598,748,672 - Step 5: Solve for x
x = 52,605,643,637,598,748,672/7,801,393,759.60 - Step 6: Final answer
x = 6,743,108,380.20
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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.