Finding the Fourth Proportional to 957,912,823.80, 1,436,449,331.70 and 440,171,191.80
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Solution
The fourth proportional to 957,912,823.80, 1,436,449,331.70 and 440,171,191.80 is: 660,063,837.32
Step by Step Solution
- Step 1: Write the proportion equation
957,912,823.80 : 1,436,449,331.70 = 440,171,191.80 : x - Step 2: Convert to fraction form
957,912,823.80/1,436,449,331.70 = 440,171,191.80/x - Step 3: Cross multiply
957,912,823.80x = 1,436,449,331.70 × 440,171,191.80 - Step 4: Simplify right side
957,912,823.80x = 632,283,614,294,702,592 - Step 5: Solve for x
x = 632,283,614,294,702,592/957,912,823.80 - Step 6: Final answer
x = 660,063,837.32
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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.