Finding the Fourth Proportional to 2,414,448,045.65, 3,621,672,068.48 and 861,790,020.05
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Solution
The fourth proportional to 2,414,448,045.65, 3,621,672,068.48 and 861,790,020.05 is: 1,292,685,030.08
Step by Step Solution
- Step 1: Write the proportion equation
2,414,448,045.65 : 3,621,672,068.48 = 861,790,020.05 : x - Step 2: Convert to fraction form
2,414,448,045.65/3,621,672,068.48 = 861,790,020.05/x - Step 3: Cross multiply
2,414,448,045.65x = 3,621,672,068.48 × 861,790,020.05 - Step 4: Simplify right side
2,414,448,045.65x = 3,121,120,844,505,594,880 - Step 5: Solve for x
x = 3,121,120,844,505,594,880/2,414,448,045.65 - Step 6: Final answer
x = 1,292,685,030.08
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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.