Finding the Fourth Proportional to 2,136,236,850.90, 3,204,355,276.35 and 1,309,739,807.70
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Solution
The fourth proportional to 2,136,236,850.90, 3,204,355,276.35 and 1,309,739,807.70 is: 1,964,609,711.55
Step by Step Solution
- Step 1: Write the proportion equation
2,136,236,850.90 : 3,204,355,276.35 = 1,309,739,807.70 : x - Step 2: Convert to fraction form
2,136,236,850.90/3,204,355,276.35 = 1,309,739,807.70/x - Step 3: Cross multiply
2,136,236,850.90x = 3,204,355,276.35 × 1,309,739,807.70 - Step 4: Simplify right side
2,136,236,850.90x = 4,196,871,663,449,129,472 - Step 5: Solve for x
x = 4,196,871,663,449,129,472/2,136,236,850.90 - Step 6: Final answer
x = 1,964,609,711.55
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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.