Finding the Fourth Proportional to 1,224,268,991.40, 1,836,403,487.10 and 1,176,651,877.80
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Solution
The fourth proportional to 1,224,268,991.40, 1,836,403,487.10 and 1,176,651,877.80 is: 1,764,977,816.70
Step by Step Solution
- Step 1: Write the proportion equation
1,224,268,991.40 : 1,836,403,487.10 = 1,176,651,877.80 : x - Step 2: Convert to fraction form
1,224,268,991.40/1,836,403,487.10 = 1,176,651,877.80/x - Step 3: Cross multiply
1,224,268,991.40x = 1,836,403,487.10 × 1,176,651,877.80 - Step 4: Simplify right side
1,224,268,991.40x = 2,160,807,611,494,682,880 - Step 5: Solve for x
x = 2,160,807,611,494,682,880/1,224,268,991.40 - Step 6: Final answer
x = 1,764,977,816.70
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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.