Finding the Fourth Proportional to 944,784,804.40, 1,417,177,206.60 and 880,214,722.90
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Solution
The fourth proportional to 944,784,804.40, 1,417,177,206.60 and 880,214,722.90 is: 1,320,322,084.35
Step by Step Solution
- Step 1: Write the proportion equation
944,784,804.40 : 1,417,177,206.60 = 880,214,722.90 : x - Step 2: Convert to fraction form
944,784,804.40/1,417,177,206.60 = 880,214,722.90/x - Step 3: Cross multiply
944,784,804.40x = 1,417,177,206.60 × 880,214,722.90 - Step 4: Simplify right side
944,784,804.40x = 1,247,420,242,207,614,976 - Step 5: Solve for x
x = 1,247,420,242,207,614,976/944,784,804.40 - Step 6: Final answer
x = 1,320,322,084.35
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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.