Finding the Fourth Proportional to 996,149,812.05, 1,495,131,459.21 and 530,202,419.91
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Solution
The fourth proportional to 996,149,812.05, 1,495,131,459.21 and 530,202,419.91 is: 795,786,244.37
Step by Step Solution
- Step 1: Write the proportion equation
996,149,812.05 : 1,495,131,459.21 = 530,202,419.91 : x - Step 2: Convert to fraction form
996,149,812.05/1,495,131,459.21 = 530,202,419.91/x - Step 3: Cross multiply
996,149,812.05x = 1,495,131,459.21 × 530,202,419.91 - Step 4: Simplify right side
996,149,812.05x = 792,722,317,756,711,552 - Step 5: Solve for x
x = 792,722,317,756,711,552/996,149,812.05 - Step 6: Final answer
x = 795,786,244.37
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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.