Finding the Fourth Proportional to 319,544,923.80, 479,317,385.70 and 183,496,027.80
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Solution
The fourth proportional to 319,544,923.80, 479,317,385.70 and 183,496,027.80 is: 275,244,041.70
Step by Step Solution
- Step 1: Write the proportion equation
319,544,923.80 : 479,317,385.70 = 183,496,027.80 : x - Step 2: Convert to fraction form
319,544,923.80/479,317,385.70 = 183,496,027.80/x - Step 3: Cross multiply
319,544,923.80x = 479,317,385.70 × 183,496,027.80 - Step 4: Simplify right side
319,544,923.80x = 87,952,836,331,430,528 - Step 5: Solve for x
x = 87,952,836,331,430,528/319,544,923.80 - Step 6: Final answer
x = 275,244,041.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.