Finding the Fourth Proportional to 444,769,373.26, 613,780,672.53 and 243,825,888.70
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Solution
The fourth proportional to 444,769,373.26, 613,780,672.53 and 243,825,888.70 is: 336,479,143.90
Step by Step Solution
- Step 1: Write the proportion equation
444,769,373.26 : 613,780,672.53 = 243,825,888.70 : x - Step 2: Convert to fraction form
444,769,373.26/613,780,672.53 = 243,825,888.70/x - Step 3: Cross multiply
444,769,373.26x = 613,780,672.53 × 243,825,888.70 - Step 4: Simplify right side
444,769,373.26x = 149,655,617,946,510,912 - Step 5: Solve for x
x = 149,655,617,946,510,912/444,769,373.26 - Step 6: Final answer
x = 336,479,143.90
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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.