Finding the Fourth Proportional to 221,276,711.70, 310,240,892.70 and 221,276,711.70
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Solution
The fourth proportional to 221,276,711.70, 310,240,892.70 and 221,276,711.70 is: 310,240,892.70
Step by Step Solution
- Step 1: Write the proportion equation
221,276,711.70 : 310,240,892.70 = 221,276,711.70 : x - Step 2: Convert to fraction form
221,276,711.70/310,240,892.70 = 221,276,711.70/x - Step 3: Cross multiply
221,276,711.70x = 310,240,892.70 × 221,276,711.70 - Step 4: Simplify right side
221,276,711.70x = 68,649,084,571,528,528 - Step 5: Solve for x
x = 68,649,084,571,528,528/221,276,711.70 - Step 6: Final answer
x = 310,240,892.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.