Finding the Fourth Proportional to 1,432,119,082.09, 2,148,179,220.02 and 644,252,480.32
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Solution
The fourth proportional to 1,432,119,082.09, 2,148,179,220.02 and 644,252,480.32 is: 966,378,988.99
Step by Step Solution
- Step 1: Write the proportion equation
1,432,119,082.09 : 2,148,179,220.02 = 644,252,480.32 : x - Step 2: Convert to fraction form
1,432,119,082.09/2,148,179,220.02 = 644,252,480.32/x - Step 3: Cross multiply
1,432,119,082.09x = 2,148,179,220.02 × 644,252,480.32 - Step 4: Simplify right side
1,432,119,082.09x = 1,383,969,790,669,768,192 - Step 5: Solve for x
x = 1,383,969,790,669,768,192/1,432,119,082.09 - Step 6: Final answer
x = 966,378,988.99
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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.