Finding the Fourth Proportional to 4,136,979,167.55, 6,205,468,751.33 and 3,620,418,515.55
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Solution
The fourth proportional to 4,136,979,167.55, 6,205,468,751.33 and 3,620,418,515.55 is: 5,430,627,773.33
Step by Step Solution
- Step 1: Write the proportion equation
4,136,979,167.55 : 6,205,468,751.33 = 3,620,418,515.55 : x - Step 2: Convert to fraction form
4,136,979,167.55/6,205,468,751.33 = 3,620,418,515.55/x - Step 3: Cross multiply
4,136,979,167.55x = 6,205,468,751.33 × 3,620,418,515.55 - Step 4: Simplify right side
4,136,979,167.55x = 22,466,393,964,963,971,072 - Step 5: Solve for x
x = 22,466,393,964,963,971,072/4,136,979,167.55 - Step 6: Final answer
x = 5,430,627,773.33
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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.