Finding the Fourth Proportional to 374,269,243.02, 561,284,470.17 and 128,566,630.81
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Solution
The fourth proportional to 374,269,243.02, 561,284,470.17 and 128,566,630.81 is: 192,808,932.61
Step by Step Solution
- Step 1: Write the proportion equation
374,269,243.02 : 561,284,470.17 = 128,566,630.81 : x - Step 2: Convert to fraction form
374,269,243.02/561,284,470.17 = 128,566,630.81/x - Step 3: Cross multiply
374,269,243.02x = 561,284,470.17 × 128,566,630.81 - Step 4: Simplify right side
374,269,243.02x = 72,162,453,256,434,448 - Step 5: Solve for x
x = 72,162,453,256,434,448/374,269,243.02 - Step 6: Final answer
x = 192,808,932.61
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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.