Finding the Fourth Proportional to 744,650,831.80, 1,116,976,247.70 and 629,859,575.80
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Solution
The fourth proportional to 744,650,831.80, 1,116,976,247.70 and 629,859,575.80 is: 944,789,363.70
Step by Step Solution
- Step 1: Write the proportion equation
744,650,831.80 : 1,116,976,247.70 = 629,859,575.80 : x - Step 2: Convert to fraction form
744,650,831.80/1,116,976,247.70 = 629,859,575.80/x - Step 3: Cross multiply
744,650,831.80x = 1,116,976,247.70 × 629,859,575.80 - Step 4: Simplify right side
744,650,831.80x = 703,538,185,554,997,760 - Step 5: Solve for x
x = 703,538,185,554,997,760/744,650,831.80 - Step 6: Final answer
x = 944,789,363.70
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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.