Finding the Fourth Proportional to 7,278,767,713,276.20, 10,045,015,192,021 and 4,030,828,043,744.70
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Solution
The fourth proportional to 7,278,767,713,276.20, 10,045,015,192,021 and 4,030,828,043,744.70 is: 5,562,717,554,784.45
Step by Step Solution
- Step 1: Write the proportion equation
7,278,767,713,276.20 : 10,045,015,192,021 = 4,030,828,043,744.70 : x - Step 2: Convert to fraction form
7,278,767,713,276.20/10,045,015,192,021 = 4,030,828,043,744.70/x - Step 3: Cross multiply
7,278,767,713,276.20x = 10,045,015,192,021 × 4,030,828,043,744.70 - Step 4: Simplify right side
7,278,767,713,276.20x = 40,489,728,935,839,798,227,107,840 - Step 5: Solve for x
x = 40,489,728,935,839,798,227,107,840/7,278,767,713,276.20 - Step 6: Final answer
x = 5,562,717,554,784.45
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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.