Finding the Fourth Proportional to 995,604,197.80, 1,492,130,838.30 and 885,914,775.40
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Solution
The fourth proportional to 995,604,197.80, 1,492,130,838.30 and 885,914,775.40 is: 1,327,737,226.70
Step by Step Solution
- Step 1: Write the proportion equation
995,604,197.80 : 1,492,130,838.30 = 885,914,775.40 : x - Step 2: Convert to fraction form
995,604,197.80/1,492,130,838.30 = 885,914,775.40/x - Step 3: Cross multiply
995,604,197.80x = 1,492,130,838.30 × 885,914,775.40 - Step 4: Simplify right side
995,604,197.80x = 1,321,900,756,479,958,016 - Step 5: Solve for x
x = 1,321,900,756,479,958,016/995,604,197.80 - Step 6: Final answer
x = 1,327,737,226.70
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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.