Finding the Fourth Proportional to 385,709,966.74, 532,270,700.82 and 226,950,372.44
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Solution
The fourth proportional to 385,709,966.74, 532,270,700.82 and 226,950,372.44 is: 313,186,187.05
Step by Step Solution
- Step 1: Write the proportion equation
385,709,966.74 : 532,270,700.82 = 226,950,372.44 : x - Step 2: Convert to fraction form
385,709,966.74/532,270,700.82 = 226,950,372.44/x - Step 3: Cross multiply
385,709,966.74x = 532,270,700.82 × 226,950,372.44 - Step 4: Simplify right side
385,709,966.74x = 120,799,033,789,998,816 - Step 5: Solve for x
x = 120,799,033,789,998,816/385,709,966.74 - Step 6: Final answer
x = 313,186,187.05
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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.