Finding the Fourth Proportional to 272,629,251,416.20, 408,943,877,124.30 and 259,611,922,985.80
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Solution
The fourth proportional to 272,629,251,416.20, 408,943,877,124.30 and 259,611,922,985.80 is: 389,417,884,478.70
Step by Step Solution
- Step 1: Write the proportion equation
272,629,251,416.20 : 408,943,877,124.30 = 259,611,922,985.80 : x - Step 2: Convert to fraction form
272,629,251,416.20/408,943,877,124.30 = 259,611,922,985.80/x - Step 3: Cross multiply
272,629,251,416.20x = 408,943,877,124.30 × 259,611,922,985.80 - Step 4: Simplify right side
272,629,251,416.20x = 106,166,706,333,508,228,349,952 - Step 5: Solve for x
x = 106,166,706,333,508,228,349,952/272,629,251,416.20 - Step 6: Final answer
x = 389,417,884,478.70
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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.