Finding the Fourth Proportional to 512,263,003.12, 706,923,172.53 and 277,313,655.99
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Solution
The fourth proportional to 512,263,003.12, 706,923,172.53 and 277,313,655.99 is: 382,692,968.82
Step by Step Solution
- Step 1: Write the proportion equation
512,263,003.12 : 706,923,172.53 = 277,313,655.99 : x - Step 2: Convert to fraction form
512,263,003.12/706,923,172.53 = 277,313,655.99/x - Step 3: Cross multiply
512,263,003.12x = 706,923,172.53 × 277,313,655.99 - Step 4: Simplify right side
512,263,003.12x = 196,039,449,478,343,840 - Step 5: Solve for x
x = 196,039,449,478,343,840/512,263,003.12 - Step 6: Final answer
x = 382,692,968.82
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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.