Finding the Fourth Proportional to 414,449,813.36, 572,198,859.59 and 263,827,455.75
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Solution
The fourth proportional to 414,449,813.36, 572,198,859.59 and 263,827,455.75 is: 364,246,199.27
Step by Step Solution
- Step 1: Write the proportion equation
414,449,813.36 : 572,198,859.59 = 263,827,455.75 : x - Step 2: Convert to fraction form
414,449,813.36/572,198,859.59 = 263,827,455.75/x - Step 3: Cross multiply
414,449,813.36x = 572,198,859.59 × 263,827,455.75 - Step 4: Simplify right side
414,449,813.36x = 150,961,769,307,362,048 - Step 5: Solve for x
x = 150,961,769,307,362,048/414,449,813.36 - Step 6: Final answer
x = 364,246,199.27
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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.