Finding the Fourth Proportional to 469,278,394.24, 703,876,241.76 and 210,424,141.12
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Solution
The fourth proportional to 469,278,394.24, 703,876,241.76 and 210,424,141.12 is: 315,617,670.54
Step by Step Solution
- Step 1: Write the proportion equation
469,278,394.24 : 703,876,241.76 = 210,424,141.12 : x - Step 2: Convert to fraction form
469,278,394.24/703,876,241.76 = 210,424,141.12/x - Step 3: Cross multiply
469,278,394.24x = 703,876,241.76 × 210,424,141.12 - Step 4: Simplify right side
469,278,394.24x = 148,112,553,627,121,472 - Step 5: Solve for x
x = 148,112,553,627,121,472/469,278,394.24 - Step 6: Final answer
x = 315,617,670.54
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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.