Finding the Fourth Proportional to 629,871,207.70, 944,806,811.55 and 629,871,207.70
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Solution
The fourth proportional to 629,871,207.70, 944,806,811.55 and 629,871,207.70 is: 944,806,811.55
Step by Step Solution
- Step 1: Write the proportion equation
629,871,207.70 : 944,806,811.55 = 629,871,207.70 : x - Step 2: Convert to fraction form
629,871,207.70/944,806,811.55 = 629,871,207.70/x - Step 3: Cross multiply
629,871,207.70x = 944,806,811.55 × 629,871,207.70 - Step 4: Simplify right side
629,871,207.70x = 595,106,607,434,184,832 - Step 5: Solve for x
x = 595,106,607,434,184,832/629,871,207.70 - Step 6: Final answer
x = 944,806,811.55
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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.