Finding the Fourth Proportional to 2,469,193,403.88, 3,405,936,950.66 and 1,464,899,948.20
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Solution
The fourth proportional to 2,469,193,403.88, 3,405,936,950.66 and 1,464,899,948.20 is: 2,020,642,390.65
Step by Step Solution
- Step 1: Write the proportion equation
2,469,193,403.88 : 3,405,936,950.66 = 1,464,899,948.20 : x - Step 2: Convert to fraction form
2,469,193,403.88/3,405,936,950.66 = 1,464,899,948.20/x - Step 3: Cross multiply
2,469,193,403.88x = 3,405,936,950.66 × 1,464,899,948.20 - Step 4: Simplify right side
2,469,193,403.88x = 4,989,356,862,594,299,904 - Step 5: Solve for x
x = 4,989,356,862,594,299,904/2,469,193,403.88 - Step 6: Final answer
x = 2,020,642,390.65
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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.