Finding the Fourth Proportional to 933,038,850.40, 1,399,016,811.84 and 441,747,995.60
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Solution
The fourth proportional to 933,038,850.40, 1,399,016,811.84 and 441,747,995.60 is: 662,365,636.95
Step by Step Solution
- Step 1: Write the proportion equation
933,038,850.40 : 1,399,016,811.84 = 441,747,995.60 : x - Step 2: Convert to fraction form
933,038,850.40/1,399,016,811.84 = 441,747,995.60/x - Step 3: Cross multiply
933,038,850.40x = 1,399,016,811.84 × 441,747,995.60 - Step 4: Simplify right side
933,038,850.40x = 618,012,872,441,022,336 - Step 5: Solve for x
x = 618,012,872,441,022,336/933,038,850.40 - Step 6: Final answer
x = 662,365,636.95
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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.