Finding the Fourth Proportional to 753,101,215.68, 1,129,004,755.92 and 261,750,636.48
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Solution
The fourth proportional to 753,101,215.68, 1,129,004,755.92 and 261,750,636.48 is: 392,401,057.52
Step by Step Solution
- Step 1: Write the proportion equation
753,101,215.68 : 1,129,004,755.92 = 261,750,636.48 : x - Step 2: Convert to fraction form
753,101,215.68/1,129,004,755.92 = 261,750,636.48/x - Step 3: Cross multiply
753,101,215.68x = 1,129,004,755.92 × 261,750,636.48 - Step 4: Simplify right side
753,101,215.68x = 295,517,713,451,007,040 - Step 5: Solve for x
x = 295,517,713,451,007,040/753,101,215.68 - Step 6: Final answer
x = 392,401,057.52
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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.