Finding the Fourth Proportional to 791,992,760.64, 1,093,005,251.60 and 523,602,288.01
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Solution
The fourth proportional to 791,992,760.64, 1,093,005,251.60 and 523,602,288.01 is: 722,607,678.99
Step by Step Solution
- Step 1: Write the proportion equation
791,992,760.64 : 1,093,005,251.60 = 523,602,288.01 : x - Step 2: Convert to fraction form
791,992,760.64/1,093,005,251.60 = 523,602,288.01/x - Step 3: Cross multiply
791,992,760.64x = 1,093,005,251.60 × 523,602,288.01 - Step 4: Simplify right side
791,992,760.64x = 572,300,050,543,454,016 - Step 5: Solve for x
x = 572,300,050,543,454,016/791,992,760.64 - Step 6: Final answer
x = 722,607,678.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.