Finding the Fourth Proportional to 5,651,171,791.99, 8,478,034,747.30 and 1,869,555,267.43
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Solution
The fourth proportional to 5,651,171,791.99, 8,478,034,747.30 and 1,869,555,267.43 is: 2,804,755,385.74
Step by Step Solution
- Step 1: Write the proportion equation
5,651,171,791.99 : 8,478,034,747.30 = 1,869,555,267.43 : x - Step 2: Convert to fraction form
5,651,171,791.99/8,478,034,747.30 = 1,869,555,267.43/x - Step 3: Cross multiply
5,651,171,791.99x = 8,478,034,747.30 × 1,869,555,267.43 - Step 4: Simplify right side
5,651,171,791.99x = 15,850,154,519,310,475,264 - Step 5: Solve for x
x = 15,850,154,519,310,475,264/5,651,171,791.99 - Step 6: Final answer
x = 2,804,755,385.74
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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.