Finding the Fourth Proportional to 372,543,836.71, 514,087,326.41 and 205,270,737.12
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Solution
The fourth proportional to 372,543,836.71, 514,087,326.41 and 205,270,737.12 is: 283,260,851.58
Step by Step Solution
- Step 1: Write the proportion equation
372,543,836.71 : 514,087,326.41 = 205,270,737.12 : x - Step 2: Convert to fraction form
372,543,836.71/514,087,326.41 = 205,270,737.12/x - Step 3: Cross multiply
372,543,836.71x = 514,087,326.41 × 205,270,737.12 - Step 4: Simplify right side
372,543,836.71x = 105,527,084,436,230,752 - Step 5: Solve for x
x = 105,527,084,436,230,752/372,543,836.71 - Step 6: Final answer
x = 283,260,851.58
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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.