Finding the Fourth Proportional to 489,143,487.30, 733,715,230.95 and 334,175,291.70
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Solution
The fourth proportional to 489,143,487.30, 733,715,230.95 and 334,175,291.70 is: 501,262,937.55
Step by Step Solution
- Step 1: Write the proportion equation
489,143,487.30 : 733,715,230.95 = 334,175,291.70 : x - Step 2: Convert to fraction form
489,143,487.30/733,715,230.95 = 334,175,291.70/x - Step 3: Cross multiply
489,143,487.30x = 733,715,230.95 × 334,175,291.70 - Step 4: Simplify right side
489,143,487.30x = 245,189,501,327,449,120 - Step 5: Solve for x
x = 245,189,501,327,449,120/489,143,487.30 - Step 6: Final answer
x = 501,262,937.55
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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.