Finding the Fourth Proportional to 995,328,676.20, 1,492,993,014.30 and 930,831,421.80
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Solution
The fourth proportional to 995,328,676.20, 1,492,993,014.30 and 930,831,421.80 is: 1,396,247,132.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,676.20 : 1,492,993,014.30 = 930,831,421.80 : x - Step 2: Convert to fraction form
995,328,676.20/1,492,993,014.30 = 930,831,421.80/x - Step 3: Cross multiply
995,328,676.20x = 1,492,993,014.30 × 930,831,421.80 - Step 4: Simplify right side
995,328,676.20x = 1,389,724,810,238,336,512 - Step 5: Solve for x
x = 1,389,724,810,238,336,512/995,328,676.20 - Step 6: Final answer
x = 1,396,247,132.70
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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.