Finding the Fourth Proportional to 579,106,568.48, 867,932,816.50 and 313,201,680.75
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Solution
The fourth proportional to 579,106,568.48, 867,932,816.50 and 313,201,680.75 is: 469,409,313.77
Step by Step Solution
- Step 1: Write the proportion equation
579,106,568.48 : 867,932,816.50 = 313,201,680.75 : x - Step 2: Convert to fraction form
579,106,568.48/867,932,816.50 = 313,201,680.75/x - Step 3: Cross multiply
579,106,568.48x = 867,932,816.50 × 313,201,680.75 - Step 4: Simplify right side
579,106,568.48x = 271,838,016,906,272,832 - Step 5: Solve for x
x = 271,838,016,906,272,832/579,106,568.48 - Step 6: Final answer
x = 469,409,313.77
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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.