Finding the Fourth Proportional to 267,747,380.84, 399,818,056.21 and 218,660,611
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Solution
The fourth proportional to 267,747,380.84, 399,818,056.21 and 218,660,611 is: 326,518,452.53
Step by Step Solution
- Step 1: Write the proportion equation
267,747,380.84 : 399,818,056.21 = 218,660,611 : x - Step 2: Convert to fraction form
267,747,380.84/399,818,056.21 = 218,660,611/x - Step 3: Cross multiply
267,747,380.84x = 399,818,056.21 × 218,660,611 - Step 4: Simplify right side
267,747,380.84x = 87,424,460,459,710,944 - Step 5: Solve for x
x = 87,424,460,459,710,944/267,747,380.84 - Step 6: Final answer
x = 326,518,452.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.