Finding the Fourth Proportional to 629,871,207.20, 944,806,810.80 and 629,871,207.20
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Solution
The fourth proportional to 629,871,207.20, 944,806,810.80 and 629,871,207.20 is: 944,806,810.80
Step by Step Solution
- Step 1: Write the proportion equation
629,871,207.20 : 944,806,810.80 = 629,871,207.20 : x - Step 2: Convert to fraction form
629,871,207.20/944,806,810.80 = 629,871,207.20/x - Step 3: Cross multiply
629,871,207.20x = 944,806,810.80 × 629,871,207.20 - Step 4: Simplify right side
629,871,207.20x = 595,106,606,489,378,048 - Step 5: Solve for x
x = 595,106,606,489,378,048/629,871,207.20 - Step 6: Final answer
x = 944,806,810.80
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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.