Finding the Fourth Proportional to 202,428,497.70, 303,642,746.55 and 202,428,497.70
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Solution
The fourth proportional to 202,428,497.70, 303,642,746.55 and 202,428,497.70 is: 303,642,746.55
Step by Step Solution
- Step 1: Write the proportion equation
202,428,497.70 : 303,642,746.55 = 202,428,497.70 : x - Step 2: Convert to fraction form
202,428,497.70/303,642,746.55 = 202,428,497.70/x - Step 3: Cross multiply
202,428,497.70x = 303,642,746.55 × 202,428,497.70 - Step 4: Simplify right side
202,428,497.70x = 61,465,945,021,618,360 - Step 5: Solve for x
x = 61,465,945,021,618,360/202,428,497.70 - Step 6: Final answer
x = 303,642,746.55
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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.