Finding the Fourth Proportional to 533,542,486, 736,288,630.68 and 289,355,350
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Solution
The fourth proportional to 533,542,486, 736,288,630.68 and 289,355,350 is: 399,310,383
Step by Step Solution
- Step 1: Write the proportion equation
533,542,486 : 736,288,630.68 = 289,355,350 : x - Step 2: Convert to fraction form
533,542,486/736,288,630.68 = 289,355,350/x - Step 3: Cross multiply
533,542,486x = 736,288,630.68 × 289,355,350 - Step 4: Simplify right side
533,542,486x = 213,049,054,431,432,128 - Step 5: Solve for x
x = 213,049,054,431,432,128/533,542,486 - Step 6: Final answer
x = 399,310,383
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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.