Finding the Fourth Proportional to 2,500,203,331.80, 3,750,304,997.70 and 1,570,394,158.20
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Solution
The fourth proportional to 2,500,203,331.80, 3,750,304,997.70 and 1,570,394,158.20 is: 2,355,591,237.30
Step by Step Solution
- Step 1: Write the proportion equation
2,500,203,331.80 : 3,750,304,997.70 = 1,570,394,158.20 : x - Step 2: Convert to fraction form
2,500,203,331.80/3,750,304,997.70 = 1,570,394,158.20/x - Step 3: Cross multiply
2,500,203,331.80x = 3,750,304,997.70 × 1,570,394,158.20 - Step 4: Simplify right side
2,500,203,331.80x = 5,889,457,059,856,344,064 - Step 5: Solve for x
x = 5,889,457,059,856,344,064/2,500,203,331.80 - Step 6: Final answer
x = 2,355,591,237.30
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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.