Finding the Fourth Proportional to 730,816,727.99, 1,096,289,534.70 and 206,190,419.99
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Solution
The fourth proportional to 730,816,727.99, 1,096,289,534.70 and 206,190,419.99 is: 309,303,811.66
Step by Step Solution
- Step 1: Write the proportion equation
730,816,727.99 : 1,096,289,534.70 = 206,190,419.99 : x - Step 2: Convert to fraction form
730,816,727.99/1,096,289,534.70 = 206,190,419.99/x - Step 3: Cross multiply
730,816,727.99x = 1,096,289,534.70 × 206,190,419.99 - Step 4: Simplify right side
730,816,727.99x = 226,044,399,591,114,368 - Step 5: Solve for x
x = 226,044,399,591,114,368/730,816,727.99 - Step 6: Final answer
x = 309,303,811.66
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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.