Finding the Fourth Proportional to 948,289,662.05, 1,421,858,493.29 and 475,038,327.26
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Solution
The fourth proportional to 948,289,662.05, 1,421,858,493.29 and 475,038,327.26 is: 712,268,948.29
Step by Step Solution
- Step 1: Write the proportion equation
948,289,662.05 : 1,421,858,493.29 = 475,038,327.26 : x - Step 2: Convert to fraction form
948,289,662.05/1,421,858,493.29 = 475,038,327.26/x - Step 3: Cross multiply
948,289,662.05x = 1,421,858,493.29 × 475,038,327.26 - Step 4: Simplify right side
948,289,662.05x = 675,437,280,257,647,744 - Step 5: Solve for x
x = 675,437,280,257,647,744/948,289,662.05 - Step 6: Final answer
x = 712,268,948.29
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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.