Finding the Fourth Proportional to 287,186,084.28, 430,452,353.79 and 174,763,979.66
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Solution
The fourth proportional to 287,186,084.28, 430,452,353.79 and 174,763,979.66 is: 261,947,115.55
Step by Step Solution
- Step 1: Write the proportion equation
287,186,084.28 : 430,452,353.79 = 174,763,979.66 : x - Step 2: Convert to fraction form
287,186,084.28/430,452,353.79 = 174,763,979.66/x - Step 3: Cross multiply
287,186,084.28x = 430,452,353.79 × 174,763,979.66 - Step 4: Simplify right side
287,186,084.28x = 75,227,566,403,430,816 - Step 5: Solve for x
x = 75,227,566,403,430,816/287,186,084.28 - Step 6: Final answer
x = 261,947,115.55
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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.