Finding the Fourth Proportional to 929,179,662.15, 1,393,979,473.98 and 307,393,425.66
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Solution
The fourth proportional to 929,179,662.15, 1,393,979,473.98 and 307,393,425.66 is: 461,159,604.82
Step by Step Solution
- Step 1: Write the proportion equation
929,179,662.15 : 1,393,979,473.98 = 307,393,425.66 : x - Step 2: Convert to fraction form
929,179,662.15/1,393,979,473.98 = 307,393,425.66/x - Step 3: Cross multiply
929,179,662.15x = 1,393,979,473.98 × 307,393,425.66 - Step 4: Simplify right side
929,179,662.15x = 428,500,125,806,437,056 - Step 5: Solve for x
x = 428,500,125,806,437,056/929,179,662.15 - Step 6: Final answer
x = 461,159,604.82
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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.