Finding the Fourth Proportional to 7,561,006,504.80, 11,341,509,757.20 and 2,040,255,679.20
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Solution
The fourth proportional to 7,561,006,504.80, 11,341,509,757.20 and 2,040,255,679.20 is: 3,060,383,518.80
Step by Step Solution
- Step 1: Write the proportion equation
7,561,006,504.80 : 11,341,509,757.20 = 2,040,255,679.20 : x - Step 2: Convert to fraction form
7,561,006,504.80/11,341,509,757.20 = 2,040,255,679.20/x - Step 3: Cross multiply
7,561,006,504.80x = 11,341,509,757.20 × 2,040,255,679.20 - Step 4: Simplify right side
7,561,006,504.80x = 23,139,579,692,829,515,776 - Step 5: Solve for x
x = 23,139,579,692,829,515,776/7,561,006,504.80 - Step 6: Final answer
x = 3,060,383,518.80
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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.