Finding the Fourth Proportional to 474,276,028.42, 711,449,922.12 and 146,784,664.72
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Solution
The fourth proportional to 474,276,028.42, 711,449,922.12 and 146,784,664.72 is: 220,188,101.50
Step by Step Solution
- Step 1: Write the proportion equation
474,276,028.42 : 711,449,922.12 = 146,784,664.72 : x - Step 2: Convert to fraction form
474,276,028.42/711,449,922.12 = 146,784,664.72/x - Step 3: Cross multiply
474,276,028.42x = 711,449,922.12 × 146,784,664.72 - Step 4: Simplify right side
474,276,028.42x = 104,429,938,283,454,304 - Step 5: Solve for x
x = 104,429,938,283,454,304/474,276,028.42 - Step 6: Final answer
x = 220,188,101.50
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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.