Finding the Fourth Proportional to 957,609,369.99, 1,436,474,740.13 and 404,808,772.05
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Solution
The fourth proportional to 957,609,369.99, 1,436,474,740.13 and 404,808,772.05 is: 607,238,811.42
Step by Step Solution
- Step 1: Write the proportion equation
957,609,369.99 : 1,436,474,740.13 = 404,808,772.05 : x - Step 2: Convert to fraction form
957,609,369.99/1,436,474,740.13 = 404,808,772.05/x - Step 3: Cross multiply
957,609,369.99x = 1,436,474,740.13 × 404,808,772.05 - Step 4: Simplify right side
957,609,369.99x = 581,497,575,632,868,224 - Step 5: Solve for x
x = 581,497,575,632,868,224/957,609,369.99 - Step 6: Final answer
x = 607,238,811.42
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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.