Finding the Fourth Proportional to 6,547,578,140.88, 9,828,358,742.52 and 2,818,715,155.92
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Solution
The fourth proportional to 6,547,578,140.88, 9,828,358,742.52 and 2,818,715,155.92 is: 4,231,082,569.66
Step by Step Solution
- Step 1: Write the proportion equation
6,547,578,140.88 : 9,828,358,742.52 = 2,818,715,155.92 : x - Step 2: Convert to fraction form
6,547,578,140.88/9,828,358,742.52 = 2,818,715,155.92/x - Step 3: Cross multiply
6,547,578,140.88x = 9,828,358,742.52 × 2,818,715,155.92 - Step 4: Simplify right side
6,547,578,140.88x = 27,703,343,745,359,958,016 - Step 5: Solve for x
x = 27,703,343,745,359,958,016/6,547,578,140.88 - Step 6: Final answer
x = 4,231,082,569.66
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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.