Finding the Fourth Proportional to 430,397,425.53, 594,131,715.38 and 289,350,448.02
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Solution
The fourth proportional to 430,397,425.53, 594,131,715.38 and 289,350,448.02 is: 399,426,827.00
Step by Step Solution
- Step 1: Write the proportion equation
430,397,425.53 : 594,131,715.38 = 289,350,448.02 : x - Step 2: Convert to fraction form
430,397,425.53/594,131,715.38 = 289,350,448.02/x - Step 3: Cross multiply
430,397,425.53x = 594,131,715.38 × 289,350,448.02 - Step 4: Simplify right side
430,397,425.53x = 171,912,278,025,106,848 - Step 5: Solve for x
x = 171,912,278,025,106,848/430,397,425.53 - Step 6: Final answer
x = 399,426,827.00
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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.