Finding the Fourth Proportional to 5,678,304,579.78, 8,509,843,359.97 and 4,419,288,950.65
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Solution
The fourth proportional to 5,678,304,579.78, 8,509,843,359.97 and 4,419,288,950.65 is: 6,623,008,013.06
Step by Step Solution
- Step 1: Write the proportion equation
5,678,304,579.78 : 8,509,843,359.97 = 4,419,288,950.65 : x - Step 2: Convert to fraction form
5,678,304,579.78/8,509,843,359.97 = 4,419,288,950.65/x - Step 3: Cross multiply
5,678,304,579.78x = 8,509,843,359.97 × 4,419,288,950.65 - Step 4: Simplify right side
5,678,304,579.78x = 37,607,456,732,444,041,216 - Step 5: Solve for x
x = 37,607,456,732,444,041,216/5,678,304,579.78 - Step 6: Final answer
x = 6,623,008,013.06
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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.