Finding the Fourth Proportional to 5,005,932,407.28, 7,509,185,564.52 and 1,325,342,121.84
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Solution
The fourth proportional to 5,005,932,407.28, 7,509,185,564.52 and 1,325,342,121.84 is: 1,988,089,154.96
Step by Step Solution
- Step 1: Write the proportion equation
5,005,932,407.28 : 7,509,185,564.52 = 1,325,342,121.84 : x - Step 2: Convert to fraction form
5,005,932,407.28/7,509,185,564.52 = 1,325,342,121.84/x - Step 3: Cross multiply
5,005,932,407.28x = 7,509,185,564.52 × 1,325,342,121.84 - Step 4: Simplify right side
5,005,932,407.28x = 9,952,239,929,371,234,304 - Step 5: Solve for x
x = 9,952,239,929,371,234,304/5,005,932,407.28 - Step 6: Final answer
x = 1,988,089,154.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.