Finding the Fourth Proportional to 363,831,990.90, 545,747,986.35 and 133,753,467.30
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Solution
The fourth proportional to 363,831,990.90, 545,747,986.35 and 133,753,467.30 is: 200,630,200.95
Step by Step Solution
- Step 1: Write the proportion equation
363,831,990.90 : 545,747,986.35 = 133,753,467.30 : x - Step 2: Convert to fraction form
363,831,990.90/545,747,986.35 = 133,753,467.30/x - Step 3: Cross multiply
363,831,990.90x = 545,747,986.35 × 133,753,467.30 - Step 4: Simplify right side
363,831,990.90x = 72,995,685,446,305,568 - Step 5: Solve for x
x = 72,995,685,446,305,568/363,831,990.90 - Step 6: Final answer
x = 200,630,200.95
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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.