Finding the Fourth Proportional to 283,987,477.30, 425,981,215.95 and 253,376,475.70
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Solution
The fourth proportional to 283,987,477.30, 425,981,215.95 and 253,376,475.70 is: 380,064,713.55
Step by Step Solution
- Step 1: Write the proportion equation
283,987,477.30 : 425,981,215.95 = 253,376,475.70 : x - Step 2: Convert to fraction form
283,987,477.30/425,981,215.95 = 253,376,475.70/x - Step 3: Cross multiply
283,987,477.30x = 425,981,215.95 × 253,376,475.70 - Step 4: Simplify right side
283,987,477.30x = 107,933,619,211,811,616 - Step 5: Solve for x
x = 107,933,619,211,811,616/283,987,477.30 - Step 6: Final answer
x = 380,064,713.55
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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.