Finding the Fourth Proportional to 385,709,963.74, 532,270,696.68 and 226,950,369.44
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Solution
The fourth proportional to 385,709,963.74, 532,270,696.68 and 226,950,369.44 is: 313,186,182.90
Step by Step Solution
- Step 1: Write the proportion equation
385,709,963.74 : 532,270,696.68 = 226,950,369.44 : x - Step 2: Convert to fraction form
385,709,963.74/532,270,696.68 = 226,950,369.44/x - Step 3: Cross multiply
385,709,963.74x = 532,270,696.68 × 226,950,369.44 - Step 4: Simplify right side
385,709,963.74x = 120,799,031,250,950,832 - Step 5: Solve for x
x = 120,799,031,250,950,832/385,709,963.74 - Step 6: Final answer
x = 313,186,182.90
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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.