Finding the Fourth Proportional to 268,331,543.40, 402,497,315.10 and 159,492,426.60
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Solution
The fourth proportional to 268,331,543.40, 402,497,315.10 and 159,492,426.60 is: 239,238,639.90
Step by Step Solution
- Step 1: Write the proportion equation
268,331,543.40 : 402,497,315.10 = 159,492,426.60 : x - Step 2: Convert to fraction form
268,331,543.40/402,497,315.10 = 159,492,426.60/x - Step 3: Cross multiply
268,331,543.40x = 402,497,315.10 × 159,492,426.60 - Step 4: Simplify right side
268,331,543.40x = 64,195,273,485,283,824 - Step 5: Solve for x
x = 64,195,273,485,283,824/268,331,543.40 - Step 6: Final answer
x = 239,238,639.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.