Finding the Fourth Proportional to 644,560,252,459.92, 889,495,913,755.26 and 351,591,559,777.26
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Solution
The fourth proportional to 644,560,252,459.92, 889,495,913,755.26 and 351,591,559,777.26 is: 485,197,860,927.92
Step by Step Solution
- Step 1: Write the proportion equation
644,560,252,459.92 : 889,495,913,755.26 = 351,591,559,777.26 : x - Step 2: Convert to fraction form
644,560,252,459.92/889,495,913,755.26 = 351,591,559,777.26/x - Step 3: Cross multiply
644,560,252,459.92x = 889,495,913,755.26 × 351,591,559,777.26 - Step 4: Simplify right side
644,560,252,459.92x = 312,739,255,732,711,045,726,208 - Step 5: Solve for x
x = 312,739,255,732,711,045,726,208/644,560,252,459.92 - Step 6: Final answer
x = 485,197,860,927.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.