Finding the Fourth Proportional to 275,577,193.80, 413,365,790.70 and 269,199,901.80
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Solution
The fourth proportional to 275,577,193.80, 413,365,790.70 and 269,199,901.80 is: 403,799,852.70
Step by Step Solution
- Step 1: Write the proportion equation
275,577,193.80 : 413,365,790.70 = 269,199,901.80 : x - Step 2: Convert to fraction form
275,577,193.80/413,365,790.70 = 269,199,901.80/x - Step 3: Cross multiply
275,577,193.80x = 413,365,790.70 × 269,199,901.80 - Step 4: Simplify right side
275,577,193.80x = 111,278,030,263,919,360 - Step 5: Solve for x
x = 111,278,030,263,919,360/275,577,193.80 - Step 6: Final answer
x = 403,799,852.70
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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.