Finding the Fourth Proportional to 490,538,952.48, 735,512,057.88 and 195,479,464.76
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Solution
The fourth proportional to 490,538,952.48, 735,512,057.88 and 195,479,464.76 is: 293,101,093.55
Step by Step Solution
- Step 1: Write the proportion equation
490,538,952.48 : 735,512,057.88 = 195,479,464.76 : x - Step 2: Convert to fraction form
490,538,952.48/735,512,057.88 = 195,479,464.76/x - Step 3: Cross multiply
490,538,952.48x = 735,512,057.88 × 195,479,464.76 - Step 4: Simplify right side
490,538,952.48x = 143,777,503,398,908,528 - Step 5: Solve for x
x = 143,777,503,398,908,528/490,538,952.48 - Step 6: Final answer
x = 293,101,093.55
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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.