Finding the Fourth Proportional to 201,819,878.40, 283,313,104.80 and 201,819,878.40
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Solution
The fourth proportional to 201,819,878.40, 283,313,104.80 and 201,819,878.40 is: 283,313,104.80
Step by Step Solution
- Step 1: Write the proportion equation
201,819,878.40 : 283,313,104.80 = 201,819,878.40 : x - Step 2: Convert to fraction form
201,819,878.40/283,313,104.80 = 201,819,878.40/x - Step 3: Cross multiply
201,819,878.40x = 283,313,104.80 × 201,819,878.40 - Step 4: Simplify right side
201,819,878.40x = 57,178,216,359,862,464 - Step 5: Solve for x
x = 57,178,216,359,862,464/201,819,878.40 - Step 6: Final answer
x = 283,313,104.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.