Finding the Fourth Proportional to 489,143,497.80, 733,715,246.70 and 334,175,302.20
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Solution
The fourth proportional to 489,143,497.80, 733,715,246.70 and 334,175,302.20 is: 501,262,953.30
Step by Step Solution
- Step 1: Write the proportion equation
489,143,497.80 : 733,715,246.70 = 334,175,302.20 : x - Step 2: Convert to fraction form
489,143,497.80/733,715,246.70 = 334,175,302.20/x - Step 3: Cross multiply
489,143,497.80x = 733,715,246.70 × 334,175,302.20 - Step 4: Simplify right side
489,143,497.80x = 245,189,514,294,720,064 - Step 5: Solve for x
x = 245,189,514,294,720,064/489,143,497.80 - Step 6: Final answer
x = 501,262,953.30
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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.