Finding the Fourth Proportional to 2,596,378,859.32, 3,894,598,206.96 and 938,412,059.80
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Solution
The fourth proportional to 2,596,378,859.32, 3,894,598,206.96 and 938,412,059.80 is: 1,407,628,902.99
Step by Step Solution
- Step 1: Write the proportion equation
2,596,378,859.32 : 3,894,598,206.96 = 938,412,059.80 : x - Step 2: Convert to fraction form
2,596,378,859.32/3,894,598,206.96 = 938,412,059.80/x - Step 3: Cross multiply
2,596,378,859.32x = 3,894,598,206.96 × 938,412,059.80 - Step 4: Simplify right side
2,596,378,859.32x = 3,654,737,925,486,720,000 - Step 5: Solve for x
x = 3,654,737,925,486,720,000/2,596,378,859.32 - Step 6: Final answer
x = 1,407,628,902.99
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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.