Finding the Fourth Proportional to 644,560,252,458.92, 889,495,913,753.88 and 351,591,559,776.26
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Solution
The fourth proportional to 644,560,252,458.92, 889,495,913,753.88 and 351,591,559,776.26 is: 485,197,860,926.54
Step by Step Solution
- Step 1: Write the proportion equation
644,560,252,458.92 : 889,495,913,753.88 = 351,591,559,776.26 : x - Step 2: Convert to fraction form
644,560,252,458.92/889,495,913,753.88 = 351,591,559,776.26/x - Step 3: Cross multiply
644,560,252,458.92x = 889,495,913,753.88 × 351,591,559,776.26 - Step 4: Simplify right side
644,560,252,458.92x = 312,739,255,731,336,320,647,168 - Step 5: Solve for x
x = 312,739,255,731,336,320,647,168/644,560,252,458.92 - Step 6: Final answer
x = 485,197,860,926.54
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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.