Finding the Fourth Proportional to 331,839,339.12, 457,869,923.10 and 190,683,285.12
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Solution
The fourth proportional to 331,839,339.12, 457,869,923.10 and 190,683,285.12 is: 263,103,649.27
Step by Step Solution
- Step 1: Write the proportion equation
331,839,339.12 : 457,869,923.10 = 190,683,285.12 : x - Step 2: Convert to fraction form
331,839,339.12/457,869,923.10 = 190,683,285.12/x - Step 3: Cross multiply
331,839,339.12x = 457,869,923.10 × 190,683,285.12 - Step 4: Simplify right side
331,839,339.12x = 87,308,141,094,349,776 - Step 5: Solve for x
x = 87,308,141,094,349,776/331,839,339.12 - Step 6: Final answer
x = 263,103,649.27
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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.