Finding the Fourth Proportional to 629,871,243.20, 944,806,864.80 and 591,607,491.20
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Solution
The fourth proportional to 629,871,243.20, 944,806,864.80 and 591,607,491.20 is: 887,411,236.80
Step by Step Solution
- Step 1: Write the proportion equation
629,871,243.20 : 944,806,864.80 = 591,607,491.20 : x - Step 2: Convert to fraction form
629,871,243.20/944,806,864.80 = 591,607,491.20/x - Step 3: Cross multiply
629,871,243.20x = 944,806,864.80 × 591,607,491.20 - Step 4: Simplify right side
629,871,243.20x = 558,954,818,952,865,600 - Step 5: Solve for x
x = 558,954,818,952,865,600/629,871,243.20 - Step 6: Final answer
x = 887,411,236.80
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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.