Finding the Fourth Proportional to 3,751,248,091.65, 5,176,673,522.58 and 2,143,684,795.80
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Solution
The fourth proportional to 3,751,248,091.65, 5,176,673,522.58 and 2,143,684,795.80 is: 2,958,257,105.92
Step by Step Solution
- Step 1: Write the proportion equation
3,751,248,091.65 : 5,176,673,522.58 = 2,143,684,795.80 : x - Step 2: Convert to fraction form
3,751,248,091.65/5,176,673,522.58 = 2,143,684,795.80/x - Step 3: Cross multiply
3,751,248,091.65x = 5,176,673,522.58 × 2,143,684,795.80 - Step 4: Simplify right side
3,751,248,091.65x = 11,097,156,323,175,174,144 - Step 5: Solve for x
x = 11,097,156,323,175,174,144/3,751,248,091.65 - Step 6: Final answer
x = 2,958,257,105.92
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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.