Finding the Fourth Proportional to 43,124,456,561.09, 64,686,598,095.69 and 40,500,197,757.99
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Solution
The fourth proportional to 43,124,456,561.09, 64,686,598,095.69 and 40,500,197,757.99 is: 60,750,215,169.81
Step by Step Solution
- Step 1: Write the proportion equation
43,124,456,561.09 : 64,686,598,095.69 = 40,500,197,757.99 : x - Step 2: Convert to fraction form
43,124,456,561.09/64,686,598,095.69 = 40,500,197,757.99/x - Step 3: Cross multiply
43,124,456,561.09x = 64,686,598,095.69 × 40,500,197,757.99 - Step 4: Simplify right side
43,124,456,561.09x = 2,619,820,015,167,064,244,224 - Step 5: Solve for x
x = 2,619,820,015,167,064,244,224/43,124,456,561.09 - Step 6: Final answer
x = 60,750,215,169.81
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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.