Finding the Fourth Proportional to 533,191,190.26, 735,625,636.10 and 310,125,520.23
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Solution
The fourth proportional to 533,191,190.26, 735,625,636.10 and 310,125,520.23 is: 427,869,565.84
Step by Step Solution
- Step 1: Write the proportion equation
533,191,190.26 : 735,625,636.10 = 310,125,520.23 : x - Step 2: Convert to fraction form
533,191,190.26/735,625,636.10 = 310,125,520.23/x - Step 3: Cross multiply
533,191,190.26x = 735,625,636.10 × 310,125,520.23 - Step 4: Simplify right side
533,191,190.26x = 228,136,283,087,765,472 - Step 5: Solve for x
x = 228,136,283,087,765,472/533,191,190.26 - Step 6: Final answer
x = 427,869,565.84
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1.5x scale
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.