Finding the Fourth Proportional to 6,465,987,935.65, 9,698,981,903.48 and 2,792,667,743.65
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Solution
The fourth proportional to 6,465,987,935.65, 9,698,981,903.48 and 2,792,667,743.65 is: 4,189,001,615.48
Step by Step Solution
- Step 1: Write the proportion equation
6,465,987,935.65 : 9,698,981,903.48 = 2,792,667,743.65 : x - Step 2: Convert to fraction form
6,465,987,935.65/9,698,981,903.48 = 2,792,667,743.65/x - Step 3: Cross multiply
6,465,987,935.65x = 9,698,981,903.48 × 2,792,667,743.65 - Step 4: Simplify right side
6,465,987,935.65x = 27,086,033,908,093,673,472 - Step 5: Solve for x
x = 27,086,033,908,093,673,472/6,465,987,935.65 - Step 6: Final answer
x = 4,189,001,615.48
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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.