Finding the Fourth Proportional to 21,511,407,588.24, 32,267,171,916.84 and 8,250,730,663.20
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Solution
The fourth proportional to 21,511,407,588.24, 32,267,171,916.84 and 8,250,730,663.20 is: 12,376,119,212.89
Step by Step Solution
- Step 1: Write the proportion equation
21,511,407,588.24 : 32,267,171,916.84 = 8,250,730,663.20 : x - Step 2: Convert to fraction form
21,511,407,588.24/32,267,171,916.84 = 8,250,730,663.20/x - Step 3: Cross multiply
21,511,407,588.24x = 32,267,171,916.84 × 8,250,730,663.20 - Step 4: Simplify right side
21,511,407,588.24x = 266,227,744,749,017,694,208 - Step 5: Solve for x
x = 266,227,744,749,017,694,208/21,511,407,588.24 - Step 6: Final answer
x = 12,376,119,212.89
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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.