Finding the Fourth Proportional to 644,560,252,282.66, 889,495,913,510.66 and 351,591,559,599.84
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Solution
The fourth proportional to 644,560,252,282.66, 889,495,913,510.66 and 351,591,559,599.84 is: 485,197,860,683.09
Step by Step Solution
- Step 1: Write the proportion equation
644,560,252,282.66 : 889,495,913,510.66 = 351,591,559,599.84 : x - Step 2: Convert to fraction form
644,560,252,282.66/889,495,913,510.66 = 351,591,559,599.84/x - Step 3: Cross multiply
644,560,252,282.66x = 889,495,913,510.66 × 351,591,559,599.84 - Step 4: Simplify right side
644,560,252,282.66x = 312,739,255,488,897,362,165,760 - Step 5: Solve for x
x = 312,739,255,488,897,362,165,760/644,560,252,282.66 - Step 6: Final answer
x = 485,197,860,683.09
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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.