Finding the Fourth Proportional to 741,307,520.57, 1,023,001,571.01 and 406,785,639.98
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Solution
The fourth proportional to 741,307,520.57, 1,023,001,571.01 and 406,785,639.98 is: 561,362,642.65
Step by Step Solution
- Step 1: Write the proportion equation
741,307,520.57 : 1,023,001,571.01 = 406,785,639.98 : x - Step 2: Convert to fraction form
741,307,520.57/1,023,001,571.01 = 406,785,639.98/x - Step 3: Cross multiply
741,307,520.57x = 1,023,001,571.01 × 406,785,639.98 - Step 4: Simplify right side
741,307,520.57x = 416,142,348,763,848,256 - Step 5: Solve for x
x = 416,142,348,763,848,256/741,307,520.57 - Step 6: Final answer
x = 561,362,642.65
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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.