Finding the Fourth Proportional to 7,904,186,041.81, 11,855,112,824.31 and 2,306,620,178.41
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Solution
The fourth proportional to 7,904,186,041.81, 11,855,112,824.31 and 2,306,620,178.41 is: 3,459,589,932.88
Step by Step Solution
- Step 1: Write the proportion equation
7,904,186,041.81 : 11,855,112,824.31 = 2,306,620,178.41 : x - Step 2: Convert to fraction form
7,904,186,041.81/11,855,112,824.31 = 2,306,620,178.41/x - Step 3: Cross multiply
7,904,186,041.81x = 11,855,112,824.31 × 2,306,620,178.41 - Step 4: Simplify right side
7,904,186,041.81x = 27,345,242,457,880,608,768 - Step 5: Solve for x
x = 27,345,242,457,880,608,768/7,904,186,041.81 - Step 6: Final answer
x = 3,459,589,932.88
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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.