Finding the Fourth Proportional to 605,750,755.59, 835,995,059.87 and 358,311,825.99
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Solution
The fourth proportional to 605,750,755.59, 835,995,059.87 and 358,311,825.99 is: 494,505,229.51
Step by Step Solution
- Step 1: Write the proportion equation
605,750,755.59 : 835,995,059.87 = 358,311,825.99 : x - Step 2: Convert to fraction form
605,750,755.59/835,995,059.87 = 358,311,825.99/x - Step 3: Cross multiply
605,750,755.59x = 835,995,059.87 × 358,311,825.99 - Step 4: Simplify right side
605,750,755.59x = 299,546,916,418,847,552 - Step 5: Solve for x
x = 299,546,916,418,847,552/605,750,755.59 - Step 6: Final answer
x = 494,505,229.51
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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.