Finding the Fourth Proportional to 741,337,765.99, 1,023,061,742.79 and 406,807,362.40
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Solution
The fourth proportional to 741,337,765.99, 1,023,061,742.79 and 406,807,362.40 is: 561,402,734.70
Step by Step Solution
- Step 1: Write the proportion equation
741,337,765.99 : 1,023,061,742.79 = 406,807,362.40 : x - Step 2: Convert to fraction form
741,337,765.99/1,023,061,742.79 = 406,807,362.40/x - Step 3: Cross multiply
741,337,765.99x = 1,023,061,742.79 × 406,807,362.40 - Step 4: Simplify right side
741,337,765.99x = 416,189,049,158,874,112 - Step 5: Solve for x
x = 416,189,049,158,874,112/741,337,765.99 - Step 6: Final answer
x = 561,402,734.70
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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.