Finding the Fourth Proportional to 1,649,541,680.40, 2,474,312,520.60 and 559,024,748.40
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Solution
The fourth proportional to 1,649,541,680.40, 2,474,312,520.60 and 559,024,748.40 is: 838,537,122.60
Step by Step Solution
- Step 1: Write the proportion equation
1,649,541,680.40 : 2,474,312,520.60 = 559,024,748.40 : x - Step 2: Convert to fraction form
1,649,541,680.40/2,474,312,520.60 = 559,024,748.40/x - Step 3: Cross multiply
1,649,541,680.40x = 2,474,312,520.60 × 559,024,748.40 - Step 4: Simplify right side
1,649,541,680.40x = 1,383,201,934,291,384,832 - Step 5: Solve for x
x = 1,383,201,934,291,384,832/1,649,541,680.40 - Step 6: Final answer
x = 838,537,122.60
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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.