Finding the Fourth Proportional to 310,392,052.63, 428,351,373.21 and 169,270,972.81
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Solution
The fourth proportional to 310,392,052.63, 428,351,373.21 and 169,270,972.81 is: 233,599,581.67
Step by Step Solution
- Step 1: Write the proportion equation
310,392,052.63 : 428,351,373.21 = 169,270,972.81 : x - Step 2: Convert to fraction form
310,392,052.63/428,351,373.21 = 169,270,972.81/x - Step 3: Cross multiply
310,392,052.63x = 428,351,373.21 × 169,270,972.81 - Step 4: Simplify right side
310,392,052.63x = 72,507,453,647,756,064 - Step 5: Solve for x
x = 72,507,453,647,756,064/310,392,052.63 - Step 6: Final answer
x = 233,599,581.67
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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.