Finding the Fourth Proportional to 854,631,604.70, 1,199,205,224.50 and 854,631,604.70
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Solution
The fourth proportional to 854,631,604.70, 1,199,205,224.50 and 854,631,604.70 is: 1,199,205,224.50
Step by Step Solution
- Step 1: Write the proportion equation
854,631,604.70 : 1,199,205,224.50 = 854,631,604.70 : x - Step 2: Convert to fraction form
854,631,604.70/1,199,205,224.50 = 854,631,604.70/x - Step 3: Cross multiply
854,631,604.70x = 1,199,205,224.50 × 854,631,604.70 - Step 4: Simplify right side
854,631,604.70x = 1,024,878,685,379,058,816 - Step 5: Solve for x
x = 1,024,878,685,379,058,816/854,631,604.70 - Step 6: Final answer
x = 1,199,205,224.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.