Finding the Fourth Proportional to 2,586,136,343.60, 3,879,204,515.40 and 2,386,597,962.80
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Solution
The fourth proportional to 2,586,136,343.60, 3,879,204,515.40 and 2,386,597,962.80 is: 3,579,896,944.20
Step by Step Solution
- Step 1: Write the proportion equation
2,586,136,343.60 : 3,879,204,515.40 = 2,386,597,962.80 : x - Step 2: Convert to fraction form
2,586,136,343.60/3,879,204,515.40 = 2,386,597,962.80/x - Step 3: Cross multiply
2,586,136,343.60x = 3,879,204,515.40 × 2,386,597,962.80 - Step 4: Simplify right side
2,586,136,343.60x = 9,258,101,593,738,203,136 - Step 5: Solve for x
x = 9,258,101,593,738,203,136/2,586,136,343.60 - Step 6: Final answer
x = 3,579,896,944.20
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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.