Finding the Fourth Proportional to 5,172,932,406.24, 7,764,304,206.96 and 3,201,823,051.92
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Solution
The fourth proportional to 5,172,932,406.24, 7,764,304,206.96 and 3,201,823,051.92 is: 4,805,770,932.17
Step by Step Solution
- Step 1: Write the proportion equation
5,172,932,406.24 : 7,764,304,206.96 = 3,201,823,051.92 : x - Step 2: Convert to fraction form
5,172,932,406.24/7,764,304,206.96 = 3,201,823,051.92/x - Step 3: Cross multiply
5,172,932,406.24x = 7,764,304,206.96 × 3,201,823,051.92 - Step 4: Simplify right side
5,172,932,406.24x = 24,859,928,191,963,963,392 - Step 5: Solve for x
x = 24,859,928,191,963,963,392/5,172,932,406.24 - Step 6: Final answer
x = 4,805,770,932.17
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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.