Finding the Fourth Proportional to 1,048,179,396.24, 1,446,477,591.44 and 578,284,512.84
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Solution
The fourth proportional to 1,048,179,396.24, 1,446,477,591.44 and 578,284,512.84 is: 798,027,124.27
Step by Step Solution
- Step 1: Write the proportion equation
1,048,179,396.24 : 1,446,477,591.44 = 578,284,512.84 : x - Step 2: Convert to fraction form
1,048,179,396.24/1,446,477,591.44 = 578,284,512.84/x - Step 3: Cross multiply
1,048,179,396.24x = 1,446,477,591.44 × 578,284,512.84 - Step 4: Simplify right side
1,048,179,396.24x = 836,475,589,299,857,024 - Step 5: Solve for x
x = 836,475,589,299,857,024/1,048,179,396.24 - Step 6: Final answer
x = 798,027,124.27
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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.