Finding the Fourth Proportional to 792,457,812.79, 1,093,692,672.27 and 479,194,268.63
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Solution
The fourth proportional to 792,457,812.79, 1,093,692,672.27 and 479,194,268.63 is: 661,349,098.63
Step by Step Solution
- Step 1: Write the proportion equation
792,457,812.79 : 1,093,692,672.27 = 479,194,268.63 : x - Step 2: Convert to fraction form
792,457,812.79/1,093,692,672.27 = 479,194,268.63/x - Step 3: Cross multiply
792,457,812.79x = 1,093,692,672.27 × 479,194,268.63 - Step 4: Simplify right side
792,457,812.79x = 524,091,260,188,944,448 - Step 5: Solve for x
x = 524,091,260,188,944,448/792,457,812.79 - Step 6: Final answer
x = 661,349,098.63
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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.