Finding the Fourth Proportional to 310,901,350.70, 466,352,026.05 and 149,304,320.30
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Solution
The fourth proportional to 310,901,350.70, 466,352,026.05 and 149,304,320.30 is: 223,956,480.45
Step by Step Solution
- Step 1: Write the proportion equation
310,901,350.70 : 466,352,026.05 = 149,304,320.30 : x - Step 2: Convert to fraction form
310,901,350.70/466,352,026.05 = 149,304,320.30/x - Step 3: Cross multiply
310,901,350.70x = 466,352,026.05 × 149,304,320.30 - Step 4: Simplify right side
310,901,350.70x = 69,628,372,269,923,152 - Step 5: Solve for x
x = 69,628,372,269,923,152/310,901,350.70 - Step 6: Final answer
x = 223,956,480.45
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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.