Finding the Fourth Proportional to 3,921,844,137.53, 5,412,198,686.54 and 2,137,693,754.66
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Solution
The fourth proportional to 3,921,844,137.53, 5,412,198,686.54 and 2,137,693,754.66 is: 2,950,046,693.71
Step by Step Solution
- Step 1: Write the proportion equation
3,921,844,137.53 : 5,412,198,686.54 = 2,137,693,754.66 : x - Step 2: Convert to fraction form
3,921,844,137.53/5,412,198,686.54 = 2,137,693,754.66/x - Step 3: Cross multiply
3,921,844,137.53x = 5,412,198,686.54 × 2,137,693,754.66 - Step 4: Simplify right side
3,921,844,137.53x = 11,569,623,331,157,862,400 - Step 5: Solve for x
x = 11,569,623,331,157,862,400/3,921,844,137.53 - Step 6: Final answer
x = 2,950,046,693.71
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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.