Finding the Fourth Proportional to 723,836,794.12, 998,814,850.84 and 406,224,192.63
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Solution
The fourth proportional to 723,836,794.12, 998,814,850.84 and 406,224,192.63 is: 560,544,531.12
Step by Step Solution
- Step 1: Write the proportion equation
723,836,794.12 : 998,814,850.84 = 406,224,192.63 : x - Step 2: Convert to fraction form
723,836,794.12/998,814,850.84 = 406,224,192.63/x - Step 3: Cross multiply
723,836,794.12x = 998,814,850.84 × 406,224,192.63 - Step 4: Simplify right side
723,836,794.12x = 405,742,756,369,332,864 - Step 5: Solve for x
x = 405,742,756,369,332,864/723,836,794.12 - Step 6: Final answer
x = 560,544,531.12
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1.5x scale
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.