Finding the Fourth Proportional to 1,078,305,312.20, 1,617,457,968.30 and 588,529,286.60
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Solution
The fourth proportional to 1,078,305,312.20, 1,617,457,968.30 and 588,529,286.60 is: 882,793,929.90
Step by Step Solution
- Step 1: Write the proportion equation
1,078,305,312.20 : 1,617,457,968.30 = 588,529,286.60 : x - Step 2: Convert to fraction form
1,078,305,312.20/1,617,457,968.30 = 588,529,286.60/x - Step 3: Cross multiply
1,078,305,312.20x = 1,617,457,968.30 × 588,529,286.60 - Step 4: Simplify right side
1,078,305,312.20x = 951,921,384,189,084,416 - Step 5: Solve for x
x = 951,921,384,189,084,416/1,078,305,312.20 - Step 6: Final answer
x = 882,793,929.90
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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.