Finding the Fourth Proportional to 5,654,019,439.60, 8,481,029,159.40 and 2,207,447,407.60
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Solution
The fourth proportional to 5,654,019,439.60, 8,481,029,159.40 and 2,207,447,407.60 is: 3,311,171,111.40
Step by Step Solution
- Step 1: Write the proportion equation
5,654,019,439.60 : 8,481,029,159.40 = 2,207,447,407.60 : x - Step 2: Convert to fraction form
5,654,019,439.60/8,481,029,159.40 = 2,207,447,407.60/x - Step 3: Cross multiply
5,654,019,439.60x = 8,481,029,159.40 × 2,207,447,407.60 - Step 4: Simplify right side
5,654,019,439.60x = 18,721,425,831,697,534,976 - Step 5: Solve for x
x = 18,721,425,831,697,534,976/5,654,019,439.60 - Step 6: Final answer
x = 3,311,171,111.40
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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.