Finding the Fourth Proportional to 71,755,410,262.85, 99,022,505,886.35 and 38,758,497,457.08
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Solution
The fourth proportional to 71,755,410,262.85, 99,022,505,886.35 and 38,758,497,457.08 is: 53,486,747,947.38
Step by Step Solution
- Step 1: Write the proportion equation
71,755,410,262.85 : 99,022,505,886.35 = 38,758,497,457.08 : x - Step 2: Convert to fraction form
71,755,410,262.85/99,022,505,886.35 = 38,758,497,457.08/x - Step 3: Cross multiply
71,755,410,262.85x = 99,022,505,886.35 × 38,758,497,457.08 - Step 4: Simplify right side
71,755,410,262.85x = 3,837,963,542,590,104,535,040 - Step 5: Solve for x
x = 3,837,963,542,590,104,535,040/71,755,410,262.85 - Step 6: Final answer
x = 53,486,747,947.38
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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.