Finding the Fourth Proportional to 3,240,129,048.12, 4,471,378,237.26 and 1,755,017,175.24
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Solution
The fourth proportional to 3,240,129,048.12, 4,471,378,237.26 and 1,755,017,175.24 is: 2,421,923,783.54
Step by Step Solution
- Step 1: Write the proportion equation
3,240,129,048.12 : 4,471,378,237.26 = 1,755,017,175.24 : x - Step 2: Convert to fraction form
3,240,129,048.12/4,471,378,237.26 = 1,755,017,175.24/x - Step 3: Cross multiply
3,240,129,048.12x = 4,471,378,237.26 × 1,755,017,175.24 - Step 4: Simplify right side
3,240,129,048.12x = 7,847,345,603,385,656,320 - Step 5: Solve for x
x = 7,847,345,603,385,656,320/3,240,129,048.12 - Step 6: Final answer
x = 2,421,923,783.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.