Finding the Fourth Proportional to 1,064,075,325.26, 1,468,394,495.84 and 587,757,157.25
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Solution
The fourth proportional to 1,064,075,325.26, 1,468,394,495.84 and 587,757,157.25 is: 811,088,608.20
Step by Step Solution
- Step 1: Write the proportion equation
1,064,075,325.26 : 1,468,394,495.84 = 587,757,157.25 : x - Step 2: Convert to fraction form
1,064,075,325.26/1,468,394,495.84 = 587,757,157.25/x - Step 3: Cross multiply
1,064,075,325.26x = 1,468,394,495.84 × 587,757,157.25 - Step 4: Simplify right side
1,064,075,325.26x = 863,059,374,586,184,576 - Step 5: Solve for x
x = 863,059,374,586,184,576/1,064,075,325.26 - Step 6: Final answer
x = 811,088,608.20
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.