Finding the Fourth Proportional to 480,126,602.53, 720,189,912.44 and 116,618,509.09
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Solution
The fourth proportional to 480,126,602.53, 720,189,912.44 and 116,618,509.09 is: 174,927,765.73
Step by Step Solution
- Step 1: Write the proportion equation
480,126,602.53 : 720,189,912.44 = 116,618,509.09 : x - Step 2: Convert to fraction form
480,126,602.53/720,189,912.44 = 116,618,509.09/x - Step 3: Cross multiply
480,126,602.53x = 720,189,912.44 × 116,618,509.09 - Step 4: Simplify right side
480,126,602.53x = 83,987,473,850,410,448 - Step 5: Solve for x
x = 83,987,473,850,410,448/480,126,602.53 - Step 6: Final answer
x = 174,927,765.73
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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.