Finding the Fourth Proportional to 695,403,163.70, 1,043,104,745.55 and 695,403,163.70
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Solution
The fourth proportional to 695,403,163.70, 1,043,104,745.55 and 695,403,163.70 is: 1,043,104,745.55
Step by Step Solution
- Step 1: Write the proportion equation
695,403,163.70 : 1,043,104,745.55 = 695,403,163.70 : x - Step 2: Convert to fraction form
695,403,163.70/1,043,104,745.55 = 695,403,163.70/x - Step 3: Cross multiply
695,403,163.70x = 1,043,104,745.55 × 695,403,163.70 - Step 4: Simplify right side
695,403,163.70x = 725,378,340,125,953,536 - Step 5: Solve for x
x = 725,378,340,125,953,536/695,403,163.70 - Step 6: Final answer
x = 1,043,104,745.55
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Double scale
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Similar ratio
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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.