Finding the Fourth Proportional to 3,399,418,805.20, 5,099,128,207.80 and 2,018,522,510.80
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Solution
The fourth proportional to 3,399,418,805.20, 5,099,128,207.80 and 2,018,522,510.80 is: 3,027,783,766.20
Step by Step Solution
- Step 1: Write the proportion equation
3,399,418,805.20 : 5,099,128,207.80 = 2,018,522,510.80 : x - Step 2: Convert to fraction form
3,399,418,805.20/5,099,128,207.80 = 2,018,522,510.80/x - Step 3: Cross multiply
3,399,418,805.20x = 5,099,128,207.80 × 2,018,522,510.80 - Step 4: Simplify right side
3,399,418,805.20x = 10,292,705,072,899,559,424 - Step 5: Solve for x
x = 10,292,705,072,899,559,424/3,399,418,805.20 - Step 6: Final answer
x = 3,027,783,766.20
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1.5x scale
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.