Finding the Fourth Proportional to 386,070,370.68, 525,649,546.11 and 384,844,548.06
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Solution
The fourth proportional to 386,070,370.68, 525,649,546.11 and 384,844,548.06 is: 523,980,541.82
Step by Step Solution
- Step 1: Write the proportion equation
386,070,370.68 : 525,649,546.11 = 384,844,548.06 : x - Step 2: Convert to fraction form
386,070,370.68/525,649,546.11 = 384,844,548.06/x - Step 3: Cross multiply
386,070,370.68x = 525,649,546.11 × 384,844,548.06 - Step 4: Simplify right side
386,070,370.68x = 202,293,362,010,647,072 - Step 5: Solve for x
x = 202,293,362,010,647,072/386,070,370.68 - Step 6: Final answer
x = 523,980,541.82
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.