Finding the Fourth Proportional to 1,092,529,739.80, 1,638,794,609.70 and 966,259,358.20
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Solution
The fourth proportional to 1,092,529,739.80, 1,638,794,609.70 and 966,259,358.20 is: 1,449,389,037.30
Step by Step Solution
- Step 1: Write the proportion equation
1,092,529,739.80 : 1,638,794,609.70 = 966,259,358.20 : x - Step 2: Convert to fraction form
1,092,529,739.80/1,638,794,609.70 = 966,259,358.20/x - Step 3: Cross multiply
1,092,529,739.80x = 1,638,794,609.70 × 966,259,358.20 - Step 4: Simplify right side
1,092,529,739.80x = 1,583,500,627,790,341,632 - Step 5: Solve for x
x = 1,583,500,627,790,341,632/1,092,529,739.80 - Step 6: Final answer
x = 1,449,389,037.30
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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.