Finding the Fourth Proportional to 776,715,534.50, 1,165,065,317.37 and 448,982,510.99
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Solution
The fourth proportional to 776,715,534.50, 1,165,065,317.37 and 448,982,510.99 is: 673,469,151.09
Step by Step Solution
- Step 1: Write the proportion equation
776,715,534.50 : 1,165,065,317.37 = 448,982,510.99 : x - Step 2: Convert to fraction form
776,715,534.50/1,165,065,317.37 = 448,982,510.99/x - Step 3: Cross multiply
776,715,534.50x = 1,165,065,317.37 × 448,982,510.99 - Step 4: Simplify right side
776,715,534.50x = 523,093,951,654,318,528 - Step 5: Solve for x
x = 523,093,951,654,318,528/776,715,534.50 - Step 6: Final answer
x = 673,469,151.09
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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.