Finding the Fourth Proportional to 5,633,266,828.20, 8,449,858,251.90 and 1,702,965,388.20
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Solution
The fourth proportional to 5,633,266,828.20, 8,449,858,251.90 and 1,702,965,388.20 is: 2,554,435,388.39
Step by Step Solution
- Step 1: Write the proportion equation
5,633,266,828.20 : 8,449,858,251.90 = 1,702,965,388.20 : x - Step 2: Convert to fraction form
5,633,266,828.20/8,449,858,251.90 = 1,702,965,388.20/x - Step 3: Cross multiply
5,633,266,828.20x = 8,449,858,251.90 × 1,702,965,388.20 - Step 4: Simplify right side
5,633,266,828.20x = 14,389,816,138,181,857,280 - Step 5: Solve for x
x = 14,389,816,138,181,857,280/5,633,266,828.20 - Step 6: Final answer
x = 2,554,435,388.39
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1.5x scale
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.