Finding the Fourth Proportional to 1,762,893,309.70, 2,644,339,964.55 and 946,599,933.70
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Solution
The fourth proportional to 1,762,893,309.70, 2,644,339,964.55 and 946,599,933.70 is: 1,419,899,900.55
Step by Step Solution
- Step 1: Write the proportion equation
1,762,893,309.70 : 2,644,339,964.55 = 946,599,933.70 : x - Step 2: Convert to fraction form
1,762,893,309.70/2,644,339,964.55 = 946,599,933.70/x - Step 3: Cross multiply
1,762,893,309.70x = 2,644,339,964.55 × 946,599,933.70 - Step 4: Simplify right side
1,762,893,309.70x = 2,503,132,035,123,290,624 - Step 5: Solve for x
x = 2,503,132,035,123,290,624/1,762,893,309.70 - Step 6: Final answer
x = 1,419,899,900.55
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1.5x scale
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.