Finding the Fourth Proportional to 3,591,866,953.72, 4,920,775,524.95 and 3,457,574,913.09
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Solution
The fourth proportional to 3,591,866,953.72, 4,920,775,524.95 and 3,457,574,913.09 is: 4,736,798,502.63
Step by Step Solution
- Step 1: Write the proportion equation
3,591,866,953.72 : 4,920,775,524.95 = 3,457,574,913.09 : x - Step 2: Convert to fraction form
3,591,866,953.72/4,920,775,524.95 = 3,457,574,913.09/x - Step 3: Cross multiply
3,591,866,953.72x = 4,920,775,524.95 × 3,457,574,913.09 - Step 4: Simplify right side
3,591,866,953.72x = 17,013,950,007,997,931,520 - Step 5: Solve for x
x = 17,013,950,007,997,931,520/3,591,866,953.72 - Step 6: Final answer
x = 4,736,798,502.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.