Finding the Fourth Proportional to 3,621,683,281.80, 5,432,524,922.70 and 3,105,122,629.80
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Solution
The fourth proportional to 3,621,683,281.80, 5,432,524,922.70 and 3,105,122,629.80 is: 4,657,683,944.70
Step by Step Solution
- Step 1: Write the proportion equation
3,621,683,281.80 : 5,432,524,922.70 = 3,105,122,629.80 : x - Step 2: Convert to fraction form
3,621,683,281.80/5,432,524,922.70 = 3,105,122,629.80/x - Step 3: Cross multiply
3,621,683,281.80x = 5,432,524,922.70 × 3,105,122,629.80 - Step 4: Simplify right side
3,621,683,281.80x = 16,868,656,074,428,266,496 - Step 5: Solve for x
x = 16,868,656,074,428,266,496/3,621,683,281.80 - Step 6: Final answer
x = 4,657,683,944.70
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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.