Finding the Fourth Proportional to 618,050,203.20, 927,075,304.80 and 209,106,353.70
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Solution
The fourth proportional to 618,050,203.20, 927,075,304.80 and 209,106,353.70 is: 313,659,530.55
Step by Step Solution
- Step 1: Write the proportion equation
618,050,203.20 : 927,075,304.80 = 209,106,353.70 : x - Step 2: Convert to fraction form
618,050,203.20/927,075,304.80 = 209,106,353.70/x - Step 3: Cross multiply
618,050,203.20x = 927,075,304.80 × 209,106,353.70 - Step 4: Simplify right side
618,050,203.20x = 193,857,336,592,044,096 - Step 5: Solve for x
x = 193,857,336,592,044,096/618,050,203.20 - Step 6: Final answer
x = 313,659,530.55
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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.