Finding the Fourth Proportional to 826,017,887.44, 1,239,253,861.20 and 243,752,193.28
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Solution
The fourth proportional to 826,017,887.44, 1,239,253,861.20 and 243,752,193.28 is: 365,695,284.92
Step by Step Solution
- Step 1: Write the proportion equation
826,017,887.44 : 1,239,253,861.20 = 243,752,193.28 : x - Step 2: Convert to fraction form
826,017,887.44/1,239,253,861.20 = 243,752,193.28/x - Step 3: Cross multiply
826,017,887.44x = 1,239,253,861.20 × 243,752,193.28 - Step 4: Simplify right side
826,017,887.44x = 302,070,846,698,208,704 - Step 5: Solve for x
x = 302,070,846,698,208,704/826,017,887.44 - Step 6: Final answer
x = 365,695,284.92
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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.