Finding the Fourth Proportional to 995,328,835.80, 1,492,993,253.70 and 867,926,851.80
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Solution
The fourth proportional to 995,328,835.80, 1,492,993,253.70 and 867,926,851.80 is: 1,301,890,277.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,835.80 : 1,492,993,253.70 = 867,926,851.80 : x - Step 2: Convert to fraction form
995,328,835.80/1,492,993,253.70 = 867,926,851.80/x - Step 3: Cross multiply
995,328,835.80x = 1,492,993,253.70 × 867,926,851.80 - Step 4: Simplify right side
995,328,835.80x = 1,295,808,934,442,479,616 - Step 5: Solve for x
x = 1,295,808,934,442,479,616/995,328,835.80 - Step 6: Final answer
x = 1,301,890,277.70
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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.