Finding the Fourth Proportional to 725,435,999.20, 1,088,153,998.80 and 180,177,533.20
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Solution
The fourth proportional to 725,435,999.20, 1,088,153,998.80 and 180,177,533.20 is: 270,266,299.80
Step by Step Solution
- Step 1: Write the proportion equation
725,435,999.20 : 1,088,153,998.80 = 180,177,533.20 : x - Step 2: Convert to fraction form
725,435,999.20/1,088,153,998.80 = 180,177,533.20/x - Step 3: Cross multiply
725,435,999.20x = 1,088,153,998.80 × 180,177,533.20 - Step 4: Simplify right side
725,435,999.20x = 196,060,903,245,499,744 - Step 5: Solve for x
x = 196,060,903,245,499,744/725,435,999.20 - Step 6: Final answer
x = 270,266,299.80
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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.