Finding the Fourth Proportional to 431,942,598.96, 596,097,704.37 and 243,777,465.63
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Solution
The fourth proportional to 431,942,598.96, 596,097,704.37 and 243,777,465.63 is: 336,422,450.55
Step by Step Solution
- Step 1: Write the proportion equation
431,942,598.96 : 596,097,704.37 = 243,777,465.63 : x - Step 2: Convert to fraction form
431,942,598.96/596,097,704.37 = 243,777,465.63/x - Step 3: Cross multiply
431,942,598.96x = 596,097,704.37 × 243,777,465.63 - Step 4: Simplify right side
431,942,598.96x = 145,315,187,639,179,584 - Step 5: Solve for x
x = 145,315,187,639,179,584/431,942,598.96 - Step 6: Final answer
x = 336,422,450.55
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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.