Finding the Fourth Proportional to 2,388,310,147.29, 3,295,877,989.74 and 1,316,589,951.30
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Solution
The fourth proportional to 2,388,310,147.29, 3,295,877,989.74 and 1,316,589,951.30 is: 1,816,899,637.98
Step by Step Solution
- Step 1: Write the proportion equation
2,388,310,147.29 : 3,295,877,989.74 = 1,316,589,951.30 : x - Step 2: Convert to fraction form
2,388,310,147.29/3,295,877,989.74 = 1,316,589,951.30/x - Step 3: Cross multiply
2,388,310,147.29x = 3,295,877,989.74 × 1,316,589,951.30 - Step 4: Simplify right side
2,388,310,147.29x = 4,339,319,841,986,049,024 - Step 5: Solve for x
x = 4,339,319,841,986,049,024/2,388,310,147.29 - Step 6: Final answer
x = 1,816,899,637.98
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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.