Finding the Fourth Proportional to 331,839,337.12, 457,869,920.34 and 190,683,283.12
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Solution
The fourth proportional to 331,839,337.12, 457,869,920.34 and 190,683,283.12 is: 263,103,646.51
Step by Step Solution
- Step 1: Write the proportion equation
331,839,337.12 : 457,869,920.34 = 190,683,283.12 : x - Step 2: Convert to fraction form
331,839,337.12/457,869,920.34 = 190,683,283.12/x - Step 3: Cross multiply
331,839,337.12x = 457,869,920.34 × 190,683,283.12 - Step 4: Simplify right side
331,839,337.12x = 87,308,139,652,324,064 - Step 5: Solve for x
x = 87,308,139,652,324,064/331,839,337.12 - Step 6: Final answer
x = 263,103,646.51
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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.