Finding the Fourth Proportional to 505,403,355.09, 757,602,820.88 and 351,726,561.12
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Solution
The fourth proportional to 505,403,355.09, 757,602,820.88 and 351,726,561.12 is: 527,240,336.26
Step by Step Solution
- Step 1: Write the proportion equation
505,403,355.09 : 757,602,820.88 = 351,726,561.12 : x - Step 2: Convert to fraction form
505,403,355.09/757,602,820.88 = 351,726,561.12/x - Step 3: Cross multiply
505,403,355.09x = 757,602,820.88 × 351,726,561.12 - Step 4: Simplify right side
505,403,355.09x = 266,469,034,882,933,728 - Step 5: Solve for x
x = 266,469,034,882,933,728/505,403,355.09 - Step 6: Final answer
x = 527,240,336.26
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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.