Finding the Fourth Proportional to 483,442,557.60, 667,129,867.92 and 274,598,050.08
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Solution
The fourth proportional to 483,442,557.60, 667,129,867.92 and 274,598,050.08 is: 378,933,459.62
Step by Step Solution
- Step 1: Write the proportion equation
483,442,557.60 : 667,129,867.92 = 274,598,050.08 : x - Step 2: Convert to fraction form
483,442,557.60/667,129,867.92 = 274,598,050.08/x - Step 3: Cross multiply
483,442,557.60x = 667,129,867.92 × 274,598,050.08 - Step 4: Simplify right side
483,442,557.60x = 183,192,560,880,959,936 - Step 5: Solve for x
x = 183,192,560,880,959,936/483,442,557.60 - Step 6: Final answer
x = 378,933,459.62
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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.