Finding the Fourth Proportional to 267,747,376.12, 399,818,049.15 and 218,660,606.28
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Solution
The fourth proportional to 267,747,376.12, 399,818,049.15 and 218,660,606.28 is: 326,518,445.47
Step by Step Solution
- Step 1: Write the proportion equation
267,747,376.12 : 399,818,049.15 = 218,660,606.28 : x - Step 2: Convert to fraction form
267,747,376.12/399,818,049.15 = 218,660,606.28/x - Step 3: Cross multiply
267,747,376.12x = 399,818,049.15 × 218,660,606.28 - Step 4: Simplify right side
267,747,376.12x = 87,424,457,028,825,840 - Step 5: Solve for x
x = 87,424,457,028,825,840/267,747,376.12 - Step 6: Final answer
x = 326,518,445.47
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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.