Finding the Fourth Proportional to 468,704,010.48, 703,192,526.64 and 209,858,693.28
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Solution
The fourth proportional to 468,704,010.48, 703,192,526.64 and 209,858,693.28 is: 314,849,161.66
Step by Step Solution
- Step 1: Write the proportion equation
468,704,010.48 : 703,192,526.64 = 209,858,693.28 : x - Step 2: Convert to fraction form
468,704,010.48/703,192,526.64 = 209,858,693.28/x - Step 3: Cross multiply
468,704,010.48x = 703,192,526.64 × 209,858,693.28 - Step 4: Simplify right side
468,704,010.48x = 147,571,064,764,932,000 - Step 5: Solve for x
x = 147,571,064,764,932,000/468,704,010.48 - Step 6: Final answer
x = 314,849,161.66
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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.