Finding the Fourth Proportional to 398,601,011.80, 597,901,517.70 and 183,190,259.80
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Solution
The fourth proportional to 398,601,011.80, 597,901,517.70 and 183,190,259.80 is: 274,785,389.70
Step by Step Solution
- Step 1: Write the proportion equation
398,601,011.80 : 597,901,517.70 = 183,190,259.80 : x - Step 2: Convert to fraction form
398,601,011.80/597,901,517.70 = 183,190,259.80/x - Step 3: Cross multiply
398,601,011.80x = 597,901,517.70 × 183,190,259.80 - Step 4: Simplify right side
398,601,011.80x = 109,529,734,362,277,312 - Step 5: Solve for x
x = 109,529,734,362,277,312/398,601,011.80 - Step 6: Final answer
x = 274,785,389.70
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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.