Finding the Fourth Proportional to 3,457,696,836.26, 5,183,638,862.61 and 2,801,019,380.78
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Solution
The fourth proportional to 3,457,696,836.26, 5,183,638,862.61 and 2,801,019,380.78 is: 4,199,174,654.32
Step by Step Solution
- Step 1: Write the proportion equation
3,457,696,836.26 : 5,183,638,862.61 = 2,801,019,380.78 : x - Step 2: Convert to fraction form
3,457,696,836.26/5,183,638,862.61 = 2,801,019,380.78/x - Step 3: Cross multiply
3,457,696,836.26x = 5,183,638,862.61 × 2,801,019,380.78 - Step 4: Simplify right side
3,457,696,836.26x = 14,519,472,917,158,565,888 - Step 5: Solve for x
x = 14,519,472,917,158,565,888/3,457,696,836.26 - Step 6: Final answer
x = 4,199,174,654.32
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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.