Finding the Fourth Proportional to 3,603,688,113.46, 5,403,561,608.16 and 2,861,471,657.84
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Solution
The fourth proportional to 3,603,688,113.46, 5,403,561,608.16 and 2,861,471,657.84 is: 4,290,642,782.15
Step by Step Solution
- Step 1: Write the proportion equation
3,603,688,113.46 : 5,403,561,608.16 = 2,861,471,657.84 : x - Step 2: Convert to fraction form
3,603,688,113.46/5,403,561,608.16 = 2,861,471,657.84/x - Step 3: Cross multiply
3,603,688,113.46x = 5,403,561,608.16 × 2,861,471,657.84 - Step 4: Simplify right side
3,603,688,113.46x = 15,462,138,393,142,171,648 - Step 5: Solve for x
x = 15,462,138,393,142,171,648/3,603,688,113.46 - Step 6: Final answer
x = 4,290,642,782.15
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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.