Finding the Fourth Proportional to 7,187,673,529.50, 10,781,729,935.74 and 2,465,929,212.72
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Solution
The fourth proportional to 7,187,673,529.50, 10,781,729,935.74 and 2,465,929,212.72 is: 3,698,969,173.14
Step by Step Solution
- Step 1: Write the proportion equation
7,187,673,529.50 : 10,781,729,935.74 = 2,465,929,212.72 : x - Step 2: Convert to fraction form
7,187,673,529.50/10,781,729,935.74 = 2,465,929,212.72/x - Step 3: Cross multiply
7,187,673,529.50x = 10,781,729,935.74 × 2,465,929,212.72 - Step 4: Simplify right side
7,187,673,529.50x = 26,586,982,812,198,989,824 - Step 5: Solve for x
x = 26,586,982,812,198,989,824/7,187,673,529.50 - Step 6: Final answer
x = 3,698,969,173.14
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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.