Finding the Fourth Proportional to 995,328,000.20, 1,492,992,000.30 and 450,087,321.80
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Solution
The fourth proportional to 995,328,000.20, 1,492,992,000.30 and 450,087,321.80 is: 675,130,982.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,000.20 : 1,492,992,000.30 = 450,087,321.80 : x - Step 2: Convert to fraction form
995,328,000.20/1,492,992,000.30 = 450,087,321.80/x - Step 3: Cross multiply
995,328,000.20x = 1,492,992,000.30 × 450,087,321.80 - Step 4: Simplify right side
995,328,000.20x = 671,976,770,883,851,776 - Step 5: Solve for x
x = 671,976,770,883,851,776/995,328,000.20 - Step 6: Final answer
x = 675,130,982.70
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1.5x scale
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.