Finding the Fourth Proportional to 2,492,923,456, 3,440,335,664.64 and 1,379,070,346.24
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Solution
The fourth proportional to 2,492,923,456, 3,440,335,664.64 and 1,379,070,346.24 is: 1,903,173,113.80
Step by Step Solution
- Step 1: Write the proportion equation
2,492,923,456 : 3,440,335,664.64 = 1,379,070,346.24 : x - Step 2: Convert to fraction form
2,492,923,456/3,440,335,664.64 = 1,379,070,346.24/x - Step 3: Cross multiply
2,492,923,456x = 3,440,335,664.64 × 1,379,070,346.24 - Step 4: Simplify right side
2,492,923,456x = 4,744,464,896,216,904,704 - Step 5: Solve for x
x = 4,744,464,896,216,904,704/2,492,923,456 - Step 6: Final answer
x = 1,903,173,113.80
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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.