Finding the Fourth Proportional to 481,193,322.84, 663,932,960.28 and 272,349,465.48
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Solution
The fourth proportional to 481,193,322.84, 663,932,960.28 and 272,349,465.48 is: 375,777,838.69
Step by Step Solution
- Step 1: Write the proportion equation
481,193,322.84 : 663,932,960.28 = 272,349,465.48 : x - Step 2: Convert to fraction form
481,193,322.84/663,932,960.28 = 272,349,465.48/x - Step 3: Cross multiply
481,193,322.84x = 663,932,960.28 × 272,349,465.48 - Step 4: Simplify right side
481,193,322.84x = 180,821,786,846,812,064 - Step 5: Solve for x
x = 180,821,786,846,812,064/481,193,322.84 - Step 6: Final answer
x = 375,777,838.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.