Finding the Fourth Proportional to 6,828,566,571.84, 9,423,431,431.20 and 3,699,441,963.84
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Solution
The fourth proportional to 6,828,566,571.84, 9,423,431,431.20 and 3,699,441,963.84 is: 5,105,235,090.44
Step by Step Solution
- Step 1: Write the proportion equation
6,828,566,571.84 : 9,423,431,431.20 = 3,699,441,963.84 : x - Step 2: Convert to fraction form
6,828,566,571.84/9,423,431,431.20 = 3,699,441,963.84/x - Step 3: Cross multiply
6,828,566,571.84x = 9,423,431,431.20 × 3,699,441,963.84 - Step 4: Simplify right side
6,828,566,571.84x = 34,861,437,679,950,114,816 - Step 5: Solve for x
x = 34,861,437,679,950,114,816/6,828,566,571.84 - Step 6: Final answer
x = 5,105,235,090.44
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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.