Finding the Fourth Proportional to 5,534,346,168.24, 7,638,310,961.53 and 3,392,144,438.60
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Solution
The fourth proportional to 5,534,346,168.24, 7,638,310,961.53 and 3,392,144,438.60 is: 4,681,719,079.51
Step by Step Solution
- Step 1: Write the proportion equation
5,534,346,168.24 : 7,638,310,961.53 = 3,392,144,438.60 : x - Step 2: Convert to fraction form
5,534,346,168.24/7,638,310,961.53 = 3,392,144,438.60/x - Step 3: Cross multiply
5,534,346,168.24x = 7,638,310,961.53 × 3,392,144,438.60 - Step 4: Simplify right side
5,534,346,168.24x = 25,910,254,048,462,024,704 - Step 5: Solve for x
x = 25,910,254,048,462,024,704/5,534,346,168.24 - Step 6: Final answer
x = 4,681,719,079.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.