Finding the Fourth Proportional to 2,588,920,929.60, 3,883,494,751.20 and 748,859,611.20
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Solution
The fourth proportional to 2,588,920,929.60, 3,883,494,751.20 and 748,859,611.20 is: 1,123,322,205.88
Step by Step Solution
- Step 1: Write the proportion equation
2,588,920,929.60 : 3,883,494,751.20 = 748,859,611.20 : x - Step 2: Convert to fraction form
2,588,920,929.60/3,883,494,751.20 = 748,859,611.20/x - Step 3: Cross multiply
2,588,920,929.60x = 3,883,494,751.20 × 748,859,611.20 - Step 4: Simplify right side
2,588,920,929.60x = 2,908,192,369,480,872,960 - Step 5: Solve for x
x = 2,908,192,369,480,872,960/2,588,920,929.60 - Step 6: Final answer
x = 1,123,322,205.88
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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.