Finding the Fourth Proportional to 386,268,150.70, 579,402,226.05 and 204,869,622.70
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Solution
The fourth proportional to 386,268,150.70, 579,402,226.05 and 204,869,622.70 is: 307,304,434.05
Step by Step Solution
- Step 1: Write the proportion equation
386,268,150.70 : 579,402,226.05 = 204,869,622.70 : x - Step 2: Convert to fraction form
386,268,150.70/579,402,226.05 = 204,869,622.70/x - Step 3: Cross multiply
386,268,150.70x = 579,402,226.05 × 204,869,622.70 - Step 4: Simplify right side
386,268,150.70x = 118,701,915,442,403,600 - Step 5: Solve for x
x = 118,701,915,442,403,600/386,268,150.70 - Step 6: Final answer
x = 307,304,434.05
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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.