Finding the Fourth Proportional to 2,388,310,149.28, 3,295,877,992.50 and 1,316,589,953.30
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Solution
The fourth proportional to 2,388,310,149.28, 3,295,877,992.50 and 1,316,589,953.30 is: 1,816,899,640.75
Step by Step Solution
- Step 1: Write the proportion equation
2,388,310,149.28 : 3,295,877,992.50 = 1,316,589,953.30 : x - Step 2: Convert to fraction form
2,388,310,149.28/3,295,877,992.50 = 1,316,589,953.30/x - Step 3: Cross multiply
2,388,310,149.28x = 3,295,877,992.50 × 1,316,589,953.30 - Step 4: Simplify right side
2,388,310,149.28x = 4,339,319,852,228,072,448 - Step 5: Solve for x
x = 4,339,319,852,228,072,448/2,388,310,149.28 - Step 6: Final answer
x = 1,816,899,640.75
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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.