Finding the Fourth Proportional to 6,465,987,934.65, 9,698,981,901.98 and 2,792,667,742.65
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Solution
The fourth proportional to 6,465,987,934.65, 9,698,981,901.98 and 2,792,667,742.65 is: 4,189,001,613.98
Step by Step Solution
- Step 1: Write the proportion equation
6,465,987,934.65 : 9,698,981,901.98 = 2,792,667,742.65 : x - Step 2: Convert to fraction form
6,465,987,934.65/9,698,981,901.98 = 2,792,667,742.65/x - Step 3: Cross multiply
6,465,987,934.65x = 9,698,981,901.98 × 2,792,667,742.65 - Step 4: Simplify right side
6,465,987,934.65x = 27,086,033,894,191,730,688 - Step 5: Solve for x
x = 27,086,033,894,191,730,688/6,465,987,934.65 - Step 6: Final answer
x = 4,189,001,613.98
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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.