Finding the Fourth Proportional to 364,647,831.06, 502,713,912.94 and 230,618,945.99
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Solution
The fourth proportional to 364,647,831.06, 502,713,912.94 and 230,618,945.99 is: 317,937,864.60
Step by Step Solution
- Step 1: Write the proportion equation
364,647,831.06 : 502,713,912.94 = 230,618,945.99 : x - Step 2: Convert to fraction form
364,647,831.06/502,713,912.94 = 230,618,945.99/x - Step 3: Cross multiply
364,647,831.06x = 502,713,912.94 × 230,618,945.99 - Step 4: Simplify right side
364,647,831.06x = 115,935,352,736,731,424 - Step 5: Solve for x
x = 115,935,352,736,731,424/364,647,831.06 - Step 6: Final answer
x = 317,937,864.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.