Finding the Fourth Proportional to 18,327,725,015.18, 27,480,336,486.68 and 7,122,515,773.82
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Solution
The fourth proportional to 18,327,725,015.18, 27,480,336,486.68 and 7,122,515,773.82 is: 10,679,401,285.98
Step by Step Solution
- Step 1: Write the proportion equation
18,327,725,015.18 : 27,480,336,486.68 = 7,122,515,773.82 : x - Step 2: Convert to fraction form
18,327,725,015.18/27,480,336,486.68 = 7,122,515,773.82/x - Step 3: Cross multiply
18,327,725,015.18x = 27,480,336,486.68 × 7,122,515,773.82 - Step 4: Simplify right side
18,327,725,015.18x = 195,729,130,096,143,532,032 - Step 5: Solve for x
x = 195,729,130,096,143,532,032/18,327,725,015.18 - Step 6: Final answer
x = 10,679,401,285.98
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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.