Finding the Fourth Proportional to 39,142,775,420.97, 58,682,478,459.49 and 12,237,493,996.72
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Solution
The fourth proportional to 39,142,775,420.97, 58,682,478,459.49 and 12,237,493,996.72 is: 18,346,335,182.87
Step by Step Solution
- Step 1: Write the proportion equation
39,142,775,420.97 : 58,682,478,459.49 = 12,237,493,996.72 : x - Step 2: Convert to fraction form
39,142,775,420.97/58,682,478,459.49 = 12,237,493,996.72/x - Step 3: Cross multiply
39,142,775,420.97x = 58,682,478,459.49 × 12,237,493,996.72 - Step 4: Simplify right side
39,142,775,420.97x = 718,126,477,860,659,527,680 - Step 5: Solve for x
x = 718,126,477,860,659,527,680/39,142,775,420.97 - Step 6: Final answer
x = 18,346,335,182.87
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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.