Finding the Fourth Proportional to 7,578,511,824.28, 11,345,600,734.98 and 4,421,072,040.28
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Solution
The fourth proportional to 7,578,511,824.28, 11,345,600,734.98 and 4,421,072,040.28 is: 6,618,676,509.67
Step by Step Solution
- Step 1: Write the proportion equation
7,578,511,824.28 : 11,345,600,734.98 = 4,421,072,040.28 : x - Step 2: Convert to fraction form
7,578,511,824.28/11,345,600,734.98 = 4,421,072,040.28/x - Step 3: Cross multiply
7,578,511,824.28x = 11,345,600,734.98 × 4,421,072,040.28 - Step 4: Simplify right side
7,578,511,824.28x = 50,159,718,189,600,292,864 - Step 5: Solve for x
x = 50,159,718,189,600,292,864/7,578,511,824.28 - Step 6: Final answer
x = 6,618,676,509.67
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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.