Finding the Fourth Proportional to 484,984,902.80, 727,723,075.80 and 212,358,342.80
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Solution
The fourth proportional to 484,984,902.80, 727,723,075.80 and 212,358,342.80 is: 318,645,107.31
Step by Step Solution
- Step 1: Write the proportion equation
484,984,902.80 : 727,723,075.80 = 212,358,342.80 : x - Step 2: Convert to fraction form
484,984,902.80/727,723,075.80 = 212,358,342.80/x - Step 3: Cross multiply
484,984,902.80x = 727,723,075.80 × 212,358,342.80 - Step 4: Simplify right side
484,984,902.80x = 154,538,066,394,206,784 - Step 5: Solve for x
x = 154,538,066,394,206,784/484,984,902.80 - Step 6: Final answer
x = 318,645,107.31
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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.