Finding the Fourth Proportional to 6,899,879,709.16, 9,522,506,240.84 and 4,081,395,651.68
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Solution
The fourth proportional to 6,899,879,709.16, 9,522,506,240.84 and 4,081,395,651.68 is: 5,632,723,641.96
Step by Step Solution
- Step 1: Write the proportion equation
6,899,879,709.16 : 9,522,506,240.84 = 4,081,395,651.68 : x - Step 2: Convert to fraction form
6,899,879,709.16/9,522,506,240.84 = 4,081,395,651.68/x - Step 3: Cross multiply
6,899,879,709.16x = 9,522,506,240.84 × 4,081,395,651.68 - Step 4: Simplify right side
6,899,879,709.16x = 38,865,115,564,460,040,192 - Step 5: Solve for x
x = 38,865,115,564,460,040,192/6,899,879,709.16 - Step 6: Final answer
x = 5,632,723,641.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.