Finding the Fourth Proportional to 6,547,578,257.88, 9,828,358,918.20 and 2,818,715,272.92
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Solution
The fourth proportional to 6,547,578,257.88, 9,828,358,918.20 and 2,818,715,272.92 is: 4,231,082,745.31
Step by Step Solution
- Step 1: Write the proportion equation
6,547,578,257.88 : 9,828,358,918.20 = 2,818,715,272.92 : x - Step 2: Convert to fraction form
6,547,578,257.88/9,828,358,918.20 = 2,818,715,272.92/x - Step 3: Cross multiply
6,547,578,257.88x = 9,828,358,918.20 × 2,818,715,272.92 - Step 4: Simplify right side
6,547,578,257.88x = 27,703,345,390,469,832,704 - Step 5: Solve for x
x = 27,703,345,390,469,832,704/6,547,578,257.88 - Step 6: Final answer
x = 4,231,082,745.31
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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.